7y-7=15y+17

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Solution for 7y-7=15y+17 equation:


Simplifying
7y + -7 = 15y + 17

Reorder the terms:
-7 + 7y = 15y + 17

Reorder the terms:
-7 + 7y = 17 + 15y

Solving
-7 + 7y = 17 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-7 + 7y + -15y = 17 + 15y + -15y

Combine like terms: 7y + -15y = -8y
-7 + -8y = 17 + 15y + -15y

Combine like terms: 15y + -15y = 0
-7 + -8y = 17 + 0
-7 + -8y = 17

Add '7' to each side of the equation.
-7 + 7 + -8y = 17 + 7

Combine like terms: -7 + 7 = 0
0 + -8y = 17 + 7
-8y = 17 + 7

Combine like terms: 17 + 7 = 24
-8y = 24

Divide each side by '-8'.
y = -3

Simplifying
y = -3

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