(3x-3)+(6x-6)=90

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Solution for (3x-3)+(6x-6)=90 equation:


Simplifying
(3x + -3) + (6x + -6) = 90

Reorder the terms:
(-3 + 3x) + (6x + -6) = 90

Remove parenthesis around (-3 + 3x)
-3 + 3x + (6x + -6) = 90

Reorder the terms:
-3 + 3x + (-6 + 6x) = 90

Remove parenthesis around (-6 + 6x)
-3 + 3x + -6 + 6x = 90

Reorder the terms:
-3 + -6 + 3x + 6x = 90

Combine like terms: -3 + -6 = -9
-9 + 3x + 6x = 90

Combine like terms: 3x + 6x = 9x
-9 + 9x = 90

Solving
-9 + 9x = 90

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 9x = 90 + 9

Combine like terms: -9 + 9 = 0
0 + 9x = 90 + 9
9x = 90 + 9

Combine like terms: 90 + 9 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

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