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Helppppp Please ( solving system of equations)

3x+4y=9 4x-37=-13

write a system of equations: susan has 5 hours to do a 26 mile race. she walks 2 mph and bikes 10 mph, how many hours will susan walk?

write a system of equations and solve

Solve the system of equations

Solve the system of equations   x-2y+3z = 13 2x+y+z = 1 -3x+2y-2z = -13

What is the x-value of the solution to the system?

x-y+3z=-1 5x+z=0 x+4y+z=4

solve the system of equations

3a-12b=-6 6a+40c=32 24b+30c=38

Solve the system of equations

x+2y-z=-12 2x+7y+4z=-33 x+3y+z=-15   section 3.3.13

system of equations

x-y=4 4x-3z=28 4y+z=12   Section 3.3. 6

Solve the system of equations

6x+y+6z=6 7x-y+5z=7 x-2y-z=0   section 3.3. 5

Solve the system of equations

6x+y+6z=6 7x-y+5z=7 x-2y-z=0     Section 3.3. 5

Im In The USA

Finding the x-coordinate

What is the value of the x- coordinate of the solution to the following system of equations?    3x+y=3 -2x + 2y = -10

What is the speed of the boat in still water? What is the speed of the current?

A boat traveled 210 miles downstream and back. The trip downstream took 10 hours. The trip back took 70 hours. What is the speed of the boat in still water? What is the speed of the current?

Systems of Equations

A mixture contains one cup of almonds for every three cups of popcorn. One cup of nuts costs \$1.82 and one cup of popcorn costs \$3.50. Ann purchased a total of \$308.56 worth of mixture. How much of...

help with solving system of equations

3x + 4y + z = 7           2y + z = 3 -5x + 3y + 8z = -31     thanks

help solving the system of equations

solve the system of equations    3x + 4y + z = 7          2y + z = 3 -5x + 3y + 8z = -31   I have...

Solve the system of equations

5/4x - 4/3y + 5/4z = 6 5/16x + 5/4y - 4/16z = -4 3/4x - y +3/4z = 6

Solve the system of equations

x-3y+4z=13 2x+y+z=-2 -2x+3y-3z=-10

solving systems of equations 5x - 2y = -24

Did I solve these correctly?   1.  5x - 2y = -24          -  4y = -48 - 10x   =   5x - 2y = -24   ...

solving systems of equations

did I solve this correctly?     3x + y = 7   3x + y = 10  (mulitply by -1)   =   -1(3x + y) = -1(10) =   ...