8y-7=7y-15

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Solution for 8y-7=7y-15 equation:


Simplifying
8y + -7 = 7y + -15

Reorder the terms:
-7 + 8y = 7y + -15

Reorder the terms:
-7 + 8y = -15 + 7y

Solving
-7 + 8y = -15 + 7y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-7y' to each side of the equation.
-7 + 8y + -7y = -15 + 7y + -7y

Combine like terms: 8y + -7y = 1y
-7 + 1y = -15 + 7y + -7y

Combine like terms: 7y + -7y = 0
-7 + 1y = -15 + 0
-7 + 1y = -15

Add '7' to each side of the equation.
-7 + 7 + 1y = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 1y = -15 + 7
1y = -15 + 7

Combine like terms: -15 + 7 = -8
1y = -8

Divide each side by '1'.
y = -8

Simplifying
y = -8

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