6x-3(-5x-12)=141

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Solution for 6x-3(-5x-12)=141 equation:


Simplifying
6x + -3(-5x + -12) = 141

Reorder the terms:
6x + -3(-12 + -5x) = 141
6x + (-12 * -3 + -5x * -3) = 141
6x + (36 + 15x) = 141

Reorder the terms:
36 + 6x + 15x = 141

Combine like terms: 6x + 15x = 21x
36 + 21x = 141

Solving
36 + 21x = 141

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 21x = 141 + -36

Combine like terms: 36 + -36 = 0
0 + 21x = 141 + -36
21x = 141 + -36

Combine like terms: 141 + -36 = 105
21x = 105

Divide each side by '21'.
x = 5

Simplifying
x = 5

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