(-x*-3)-7=20

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Solution for (-x*-3)-7=20 equation:


Simplifying
(-1x * -3) + -7 = 20

Reorder the terms for easier multiplication:
(-1 * -3x) + -7 = 20

Multiply -1 * -3
(3x) + -7 = 20

Reorder the terms:
-7 + (3x) = 20

Solving
-7 + (3x) = 20

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 + (3x) = 20 + 7

Combine like terms: -7 + 7 = 0
0 + (3x) = 20 + 7
(3x) = 20 + 7

Combine like terms: 20 + 7 = 27
(3x) = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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