6x+3(3x-15)=120

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Solution for 6x+3(3x-15)=120 equation:


Simplifying
6x + 3(3x + -15) = 120

Reorder the terms:
6x + 3(-15 + 3x) = 120
6x + (-15 * 3 + 3x * 3) = 120
6x + (-45 + 9x) = 120

Reorder the terms:
-45 + 6x + 9x = 120

Combine like terms: 6x + 9x = 15x
-45 + 15x = 120

Solving
-45 + 15x = 120

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 = 120 + 45

Combine like terms: -45 + 45 = 0
0 + 15x = 120 + 45
15x = 120 + 45

Combine like terms: 120 + 45 = 165
15x = 165

Divide each side by '15'.
x = 11

Simplifying
x = 11

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