-85+8y+7=15y-25-4

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Solution for -85+8y+7=15y-25-4 equation: 


Simplifying
-85 + 8y + 7 = 15y + -25 + -4

Reorder the terms:
-85 + 7 + 8y = 15y + -25 + -4

Combine like terms: -85 + 7 = -78
-78 + 8y = 15y + -25 + -4

Reorder the terms:
-78 + 8y = -25 + -4 + 15y

Combine like terms: -25 + -4 = -29
-78 + 8y = -29 + 15y

Solving
-78 + 8y = -29 + 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.
-78 + 8y + -15y = -29 + 15y + -15y

Combine like terms: 8y + -15y = -7y
-78 + -7y = -29 + 15y + -15y

Combine like terms: 15y + -15y = 0
-78 + -7y = -29 + 0
-78 + -7y = -29

Add '78' to each side of the equation.
-78 + 78 + -7y = -29 + 78

Combine like terms: -78 + 78 = 0
0 + -7y = -29 + 78
-7y = -29 + 78

Combine like terms: -29 + 78 = 49
-7y = 49

Divide each side by '-7'.
y = -7

Simplifying
y = -7

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