87=13-2x

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Solution for 87=13-2x equation:


Simplifying
87 = 13 + -2x

Solving
87 = 13 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
87 + 2x = 13 + -2x + 2x

Combine like terms: -2x + 2x = 0
87 + 2x = 13 + 0
87 + 2x = 13

Add '-87' to each side of the equation.
87 + -87 + 2x = 13 + -87

Combine like terms: 87 + -87 = 0
0 + 2x = 13 + -87
2x = 13 + -87

Combine like terms: 13 + -87 = -74
2x = -74

Divide each side by '2'.
x = -37

Simplifying
x = -37

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