-3(7x-4)=-135

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Solution for -3(7x-4)=-135 equation: 


Simplifying
-3(7x + -4) = -135

Reorder the terms:
-3(-4 + 7x) = -135
(-4 * -3 + 7x * -3) = -135
(12 + -21x) = -135

Solving
12 + -21x = -135

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -21x = -135 + -12

Combine like terms: 12 + -12 = 0
0 + -21x = -135 + -12
-21x = -135 + -12

Combine like terms: -135 + -12 = -147
-21x = -147

Divide each side by '-21'.
x = 7

Simplifying
x = 7

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