7x+85=12x+15

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


Simplifying
7x + 85 = 12x + 15

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

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

Solving
85 + 7x = 15 + 12x

Solving for variable 'x'.

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

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

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

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

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

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

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

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

Simplifying
x = 14

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