255-3(130-3x)=105-3x

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Solution for 255-3(130-3x)=105-3x equation:


Simplifying
255 + -3(130 + -3x) = 105 + -3x
255 + (130 * -3 + -3x * -3) = 105 + -3x
255 + (-390 + 9x) = 105 + -3x

Combine like terms: 255 + -390 = -135
-135 + 9x = 105 + -3x

Solving
-135 + 9x = 105 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-135 + 9x + 3x = 105 + -3x + 3x

Combine like terms: 9x + 3x = 12x
-135 + 12x = 105 + -3x + 3x

Combine like terms: -3x + 3x = 0
-135 + 12x = 105 + 0
-135 + 12x = 105

Add '135' to each side of the equation.
-135 + 135 + 12x = 105 + 135

Combine like terms: -135 + 135 = 0
0 + 12x = 105 + 135
12x = 105 + 135

Combine like terms: 105 + 135 = 240
12x = 240

Divide each side by '12'.
x = 20

Simplifying
x = 20

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