3x-6(3x+9)=135

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Solution for 3x-6(3x+9)=135 equation:


Simplifying
3x + -6(3x + 9) = 135

Reorder the terms:
3x + -6(9 + 3x) = 135
3x + (9 * -6 + 3x * -6) = 135
3x + (-54 + -18x) = 135

Reorder the terms:
-54 + 3x + -18x = 135

Combine like terms: 3x + -18x = -15x
-54 + -15x = 135

Solving
-54 + -15x = 135

Solving for variable 'x'.

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

Add '54' to each side of the equation.
-54 + 54 + -15x = 135 + 54

Combine like terms: -54 + 54 = 0
0 + -15x = 135 + 54
-15x = 135 + 54

Combine like terms: 135 + 54 = 189
-15x = 189

Divide each side by '-15'.
x = -12.6

Simplifying
x = -12.6

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