63 Answered Questions for the topic Substitution

03/31/15

3x-6y=2 4x+3y=-1

03/31/15

#### solve the linear equation by substitution.

2x+3y=25 4x-y=15
Substitution Algebra Linear Equations

03/31/15

#### solve the system of linear equations by substitution.

x-y=9 2x+5y=4   2x+3y=25 4x-y=15     3x-6y=2 4x+3y=-1
Substitution Linear Equations

03/31/15

#### solve the system of linear equations by substitution.

y=x+3 y=5x-5       y=3x-1 y=x-7       x=5y+2 x-4y=5

03/31/15

#### tell which equation you would choose to solve for one of the variables when solving the system by substitution. explain.

y=5x-2 2x+9y=10         3x-7y=12 3x-12y=6      1/5x+y=8 4x-3y=1
Substitution Substitution Method

03/19/15

#### Substation

X+2y=8 2x-3y=2
Substitution Math Factor Pre Calculus

03/04/15

#### Solve each equation using the designated method

Solve 2x^2 + 8x -4 = 0 by completing the square.   Solve (x^2 +x)^2 -3(x^2+x) +2=0 using substitution, factoring, and the quadratic formula
Substitution Money

03/04/15

#### Word problem help, please :(

Sarah needs to prepare 170 pounds of blended coffee beans selling for $5.28 per pound. She plans to do this by blending together a high quality bean costing$6.25 per pound and a cheaper bean at... more
Substitution

01/22/15

#### 4y=x 3x-y=70

How do I solve this using substitution
Substitution

11/04/14

#### one number is 1 less a second number. Twice the second number is 12 less than 4 times the first. find the two numbers.

Find the two numbers
Substitution Calculus Integration

09/15/13

∫cos4 θ sin θ dθ

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