-7(3x-1)=-140

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Solution for -7(3x-1)=-140 equation:


Simplifying
-7(3x + -1) = -140

Reorder the terms:
-7(-1 + 3x) = -140
(-1 * -7 + 3x * -7) = -140
(7 + -21x) = -140

Solving
7 + -21x = -140

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -21x = -140 + -7

Combine like terms: 7 + -7 = 0
0 + -21x = -140 + -7
-21x = -140 + -7

Combine like terms: -140 + -7 = -147
-21x = -147

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

Simplifying
x = 7

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