15x-15=90

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Solution for 15x-15=90 equation: 


Simplifying
15x + -15 = 90

Reorder the terms:
-15 + 15x = 90

Solving
-15 + 15x = 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 + 15x = 90 + 15

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

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

Divide each side by '15'.
x = 7

Simplifying
x = 7

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