13x-15=87

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Solution for 13x-15=87 equation: 


Simplifying
13x + -15 = 87

Reorder the terms:
-15 + 13x = 87

Solving
-15 + 13x = 87

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 13x = 87 + 15

Combine like terms: -15 + 15 = 0
0 + 13x = 87 + 15
13x = 87 + 15

Combine like terms: 87 + 15 = 102
13x = 102

Divide each side by '13'.
x = 7.846153846

Simplifying
x = 7.846153846

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