20-3(x-1)=-4

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Solution for 20-3(x-1)=-4 equation:


Simplifying
20 + -3(x + -1) = -4

Reorder the terms:
20 + -3(-1 + x) = -4
20 + (-1 * -3 + x * -3) = -4
20 + (3 + -3x) = -4

Combine like terms: 20 + 3 = 23
23 + -3x = -4

Solving
23 + -3x = -4

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + -3x = -4 + -23

Combine like terms: 23 + -23 = 0
0 + -3x = -4 + -23
-3x = -4 + -23

Combine like terms: -4 + -23 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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