15(x-3)=90

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Solution for 15(x-3)=90 equation:


Simplifying
15(x + -3) = 90

Reorder the terms:
15(-3 + x) = 90
(-3 * 15 + x * 15) = 90
(-45 + 15x) = 90

Solving
-45 + 15x = 90

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 15x = 90 + 45

Combine like terms: -45 + 45 = 0
0 + 15x = 90 + 45
15x = 90 + 45

Combine like terms: 90 + 45 = 135
15x = 135

Divide each side by '15'.
x = 9

Simplifying
x = 9

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