13x-15=90

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Solution for 13x-15=90 equation: 


Simplifying
13x + -15 = 90

Reorder the terms:
-15 + 13x = 90

Solving
-15 + 13x = 90

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 = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 13x = 90 + 15
13x = 90 + 15

Combine like terms: 90 + 15 = 105
13x = 105

Divide each side by '13'.
x = 8.076923077

Simplifying
x = 8.076923077

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