-(10+3x)-3(-12-3x)=56

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Solution for -(10+3x)-3(-12-3x)=56 equation:


Simplifying
-1(10 + 3x) + -3(-12 + -3x) = 56
(10 * -1 + 3x * -1) + -3(-12 + -3x) = 56
(-10 + -3x) + -3(-12 + -3x) = 56
-10 + -3x + (-12 * -3 + -3x * -3) = 56
-10 + -3x + (36 + 9x) = 56

Reorder the terms:
-10 + 36 + -3x + 9x = 56

Combine like terms: -10 + 36 = 26
26 + -3x + 9x = 56

Combine like terms: -3x + 9x = 6x
26 + 6x = 56

Solving
26 + 6x = 56

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + 6x = 56 + -26

Combine like terms: 26 + -26 = 0
0 + 6x = 56 + -26
6x = 56 + -26

Combine like terms: 56 + -26 = 30
6x = 30

Divide each side by '6'.
x = 5

Simplifying
x = 5

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