Question

Solve the system using substitution.

y = -2x + 5
3y = -x - 5

I already got the answer, just wanna make sure it's correct. Please show work as well.

Answer 1

Rewrite your system:

y+2x=5
3y+x= -5

2x+y=5
x+3y= -5


In google type:
solve system substitution

When you see list of results click on:
SolverSOLVE linear system by SUBSTITUTION

When page be open in first roow type
2x+1y=5

In second roow type:
1x+3y= -5

and clic option Solve

You will see solution.