7y+85=12y+15

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Solution for 7y+85=12y+15 equation:


Simplifying
7y + 85 = 12y + 15

Reorder the terms:
85 + 7y = 12y + 15

Reorder the terms:
85 + 7y = 15 + 12y

Solving
85 + 7y = 15 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
85 + 7y + -12y = 15 + 12y + -12y

Combine like terms: 7y + -12y = -5y
85 + -5y = 15 + 12y + -12y

Combine like terms: 12y + -12y = 0
85 + -5y = 15 + 0
85 + -5y = 15

Add '-85' to each side of the equation.
85 + -85 + -5y = 15 + -85

Combine like terms: 85 + -85 = 0
0 + -5y = 15 + -85
-5y = 15 + -85

Combine like terms: 15 + -85 = -70
-5y = -70

Divide each side by '-5'.
y = 14

Simplifying
y = 14

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