-3(x-3)-4=20

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Solution for -3(x-3)-4=20 equation: 


Simplifying
-3(x + -3) + -4 = 20

Reorder the terms:
-3(-3 + x) + -4 = 20
(-3 * -3 + x * -3) + -4 = 20
(9 + -3x) + -4 = 20

Reorder the terms:
9 + -4 + -3x = 20

Combine like terms: 9 + -4 = 5
5 + -3x = 20

Solving
5 + -3x = 20

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -3x = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -3x = 20 + -5
-3x = 20 + -5

Combine like terms: 20 + -5 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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