Thursday

April 17, 2014

April 17, 2014

Posted by **Michael** on Monday, January 14, 2008 at 5:14pm.

y=x-5

y=2x

- Algebra -
**DrBob222**, Monday, January 14, 2008 at 5:19pmy=x-5

y=2x

=========

from equation 1, y=x-5

plug this into equation 2 for y.

x-5=2x

x-2x=5

-x=5

x=-5

Now substitute x = -5 into equation 1 and solve for y. I have -10 but check my work.

**Related Questions**

Math Homework - Hello! I need help with these math questions, thanks! :) 1.) ...

algebra - i need help with these problems (either a solution or how to plug them...

algebra - Can someone please help. When you solve a system of equations by the ...

Algebra 2 - Solve this system by substitution: 2x-3y=12 x-4y=6 Slve this system ...

Algebra - Solve the system by substitution. x + 3y = -4 2x + 2y = -8

algebra - Solve the system of equations using substitution. y = x + 6 y = –2x – ...

algebra - solve each system by substitution 1. 6x-3y=-33 2xty=-1 2. 2x-y=7 3x-2y...

algebra 2 - solve each system by substitution 1. 6x-3y=-33 2xty=-1 2. 2x-y=7 3x-...

Algebra 1- Math - use substitution to solve the system 2x-y=-4 -3x+y=-9

algebra - Solve the system of equations using substitution. y = 2x + 3 y = 3x + ...