SOLUTION: I'm trying to solve this problem by substitution and I could use some help. x=2y+1 2x-5y=4

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Question 964753: I'm trying to solve this problem by substitution and I could use some help.
x=2y+1
2x-5y=4
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
x=2y+1
2x-5y=4 Substitute for x from above
2(2y+1)-5y=4
4y+2-5y=4
-y=2 ANSWER 1: y=-2
y=-2 Use this and back-solve for x
x=2y+1
x=2(-2)+1
x=-4+1=-3 ANSWER 2: x=-3
ANSWER: (-3,-2)
CHECK:
2x-5y=4
2(-3)-5(-2)=4
-6+10=4
4=4