x-12x+87=5x+15

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Solution for x-12x+87=5x+15 equation:


Simplifying
x + -12x + 87 = 5x + 15

Reorder the terms:
87 + x + -12x = 5x + 15

Combine like terms: x + -12x = -11x
87 + -11x = 5x + 15

Reorder the terms:
87 + -11x = 15 + 5x

Solving
87 + -11x = 15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
87 + -11x + -5x = 15 + 5x + -5x

Combine like terms: -11x + -5x = -16x
87 + -16x = 15 + 5x + -5x

Combine like terms: 5x + -5x = 0
87 + -16x = 15 + 0
87 + -16x = 15

Add '-87' to each side of the equation.
87 + -87 + -16x = 15 + -87

Combine like terms: 87 + -87 = 0
0 + -16x = 15 + -87
-16x = 15 + -87

Combine like terms: 15 + -87 = -72
-16x = -72

Divide each side by '-16'.
x = 4.5

Simplifying
x = 4.5

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