# Answer to Question #1545 in Algebra for hi

Question #1545

When trying to find "x" and "y", how would i use the substitution method in a problem such as

x=y+3 and 2x-y=5 (same problem not two different ones)

x=y+3 and 2x-y=5 (same problem not two different ones)

Expert's answer

You have to substitute x=y+3 into the second equation:

2(y+3)-y = 5

2y + 6 - y = 5

y = 5-6 = -1

Thus x = -1+3 = 2.

2(y+3)-y = 5

2y + 6 - y = 5

y = 5-6 = -1

Thus x = -1+3 = 2.

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