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# 7±[2(x+1)-3(x-2/3)]

how do i simplify this?

# Simplify and show work

2x-5(x+2)-(x-2)/x2-4    (used super/subscript and "/" to show a fraction. Not sure if that's proper format.)

# -4(2y+3) what is the distributive property

use the distributive property to write the expression without parenthesis   -4(2y +3)

# please see the bellow simulteneaus equation and help me please, i am canfused. thanks alot

3/4x+1/2y=15 1/2x+4/6y=13

20x-y=5 x+5y=10

# Paul travel a total distance of 8 km in 54 minutes by running and walking.

Paul traveld a total distance of 8 km in 54 minutes by running and walking. He  then ran  10 km to the power of negative 1  , he then walked the remaining distant at 5 km to the power...

# a drinking straw of length 21cm is cut into 3 pieces.the length of the first piece is x cm the second piece is 3cm shorter than the first piece.

A drinking straw of length  21 Cm is cut into 3 pieces.the length of the first piece is x cm the second piece is 3cm shorter than the first piece.   (a)state,in terms of x,the length...

# A farmer shared 469 tomatoes among three workers, Peter, Gem and Tom. Gem received 16 more than Peter. Tom received 3 times as many as peter.

A farmer shared 469 tomatoes among three workers, Peter, Gem and Tom. Gem received 16 more than Peter. Tom received 3 times as many as peter. Calculate the numbers of tomatoes Peter received.

# x+109=x+89

I don't understand how to do the question.

# What costs had Mel incurred when his service just began?

The total cost of Mel's cellular phone was \$390 after 9 months. What costs had Mel incurred when his service just began?

# How much did the computer cost originally?

After 6 months of use, the value of Pearl's computer dropped to \$900. after 8 months, the value had gone down to \$750.  How much did the computer cost originally?

# what is (7k^3-7) - (2+3k^3)

Well this question I had a problem with this im in 7th grade and this problem in math is giving me a headache hope someone can help!!!!!!! Thanks :) And please i need Fast for today-Tommorow!!!!!...

1/3x +5 = -4

# needing help

how would i factor 9x^2-36 x^2-11x+24. which ones are Quad Equations factor by grouping product sum (x-12)(x-2) 9(x-2)(x+12) (x-4)(x+4)

# im needing help with algebra

how would you factor: 6x^2-x-2 x^2-3x+2x-6 81y^2-36

# MATH WORD PROBLEMS

J&T TILING COMPANY ONLY TILE SQUARE AREAS AND USE ONLY SQUARE TILES. THEY ALSO ONLY USE ONE PATTERN. ANN PLACES   THE CENTER  WITH WHITE TILES. BEN COMES ALONG AND BOARDERS THE...

# (x10 - x7)(x3 - 7)

Use the FOIL method to find the product of the binomials. Enter your answer in descending order in the box below. Enter exponents using the caret ( ^ ). For example, you would enter as 4x^2. (x10...

# 3/4y^3+2y/6y^2

i need step by step help with adding, sub., mul, and div. fractions

# Find dy/dt?

Find dy/dt, given that y=x^2+4x and x=cos(3t).

# How do I solve this equation 4x+1<2x-19

I am having a problem with this Can you help me?