SOLUTION: Substitution 3x+y=7 and 2x-y=-2
Algebra
->
Test
-> SOLUTION: Substitution 3x+y=7 and 2x-y=-2
Log On
Test Calculators and Practice
Test
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
Click here to see ALL problems on test
Question 615984
:
Substitution 3x+y=7 and 2x-y=-2
Answer by
JBarnum(2146)
(
Show Source
):
You can
put this solution on YOUR website!
2x+2=y
3x+(2x+2)=7
5x+2=7
5x=5
x=1
2(1)+2=y
2+2=y
4=y