115+-7x=87

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Solution for 115+-7x=87 equation:


Simplifying
115 + -7x = 87

Solving
115 + -7x = 87

Solving for variable 'x'.

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

Add '-115' to each side of the equation.
115 + -115 + -7x = 87 + -115

Combine like terms: 115 + -115 = 0
0 + -7x = 87 + -115
-7x = 87 + -115

Combine like terms: 87 + -115 = -28
-7x = -28

Divide each side by '-7'.
x = 4

Simplifying
x = 4

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