Homework Help: math substitution method

Posted by KiKi on Sunday, March 28, 2010 at 12:04pm.

use the substitution method to solve
7x+5y=-26
x=28-6y

math substitution method - bob, Sunday, March 28, 2010 at 12:07pm
I know this!
Put it in for x.

So 7(28-6y) +5y=-26

use that to get y, then plug your answer for y into one of the equations to get x
math substitution method - KiKi, Sunday, March 28, 2010 at 7:27pm
okay so then 196-42y+5y=-26
then combined like terms so
196+37y=-26
37y=-222
y=-6 is this part correct?
math substitution method - Shell, Friday, October 14, 2011 at 10:37pm
solve by using the substitution method.

5x-3y=-25
4x+34=y
math substitution method - Jackie, Sunday, November 27, 2011 at 8:05pm
m-3n=8

Related Questions

Algebra - How do I solve by the substitution method? 7x +6y=13 x= 35-5y. I need ...
Math- CAN SOMEONE PLEASE CHECK MY WORK? - 7x+5y=-26 x=28-6y solve using ...
Math - How do I solve these problems, I really need help. Solve by substitution ...
Math - 12x+4y= 22 and 3x-8y= -10 What are the coordinates of x and y? Use the ...
substitution method - solve using the substitution method 8x+6y=8 -9x+y=22 The ...
algebra - how do you use the substitution method to solve the linear system? -2x...
substitution method - Solve by substitution method please help me solve this. I ...
math problem - solve by substitution method 7x+8y=44 x=41-5y
Math - Using the Substitution method solve 7x+5y=-23 -6x+y=25
substitution - solve by the substitution method 3x+5y=21 x=51-9y

For Further Reading

First Name:
School Subject:
Answer: