2(x-1)-4=-18

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Solution for 2(x-1)-4=-18 equation:


Simplifying
2(x + -1) + -4 = -18

Reorder the terms:
2(-1 + x) + -4 = -18
(-1 * 2 + x * 2) + -4 = -18
(-2 + 2x) + -4 = -18

Reorder the terms:
-2 + -4 + 2x = -18

Combine like terms: -2 + -4 = -6
-6 + 2x = -18

Solving
-6 + 2x = -18

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 2x = -18 + 6

Combine like terms: -6 + 6 = 0
0 + 2x = -18 + 6
2x = -18 + 6

Combine like terms: -18 + 6 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

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