87=12x+45

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Solution for 87=12x+45 equation:


Simplifying
87 = 12x + 45

Reorder the terms:
87 = 45 + 12x

Solving
87 = 45 + 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.
87 + -12x = 45 + 12x + -12x

Combine like terms: 12x + -12x = 0
87 + -12x = 45 + 0
87 + -12x = 45

Add '-87' to each side of the equation.
87 + -87 + -12x = 45 + -87

Combine like terms: 87 + -87 = 0
0 + -12x = 45 + -87
-12x = 45 + -87

Combine like terms: 45 + -87 = -42
-12x = -42

Divide each side by '-12'.
x = 3.5

Simplifying
x = 3.5

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