18-42=4(x-1)-4

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Solution for 18-42=4(x-1)-4 equation:


Simplifying
18 + -42 = 4(x + -1) + -4

Combine like terms: 18 + -42 = -24
-24 = 4(x + -1) + -4

Reorder the terms:
-24 = 4(-1 + x) + -4
-24 = (-1 * 4 + x * 4) + -4
-24 = (-4 + 4x) + -4

Reorder the terms:
-24 = -4 + -4 + 4x

Combine like terms: -4 + -4 = -8
-24 = -8 + 4x

Solving
-24 = -8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-24 + -4x = -8 + 4x + -4x

Combine like terms: 4x + -4x = 0
-24 + -4x = -8 + 0
-24 + -4x = -8

Add '24' to each side of the equation.
-24 + 24 + -4x = -8 + 24

Combine like terms: -24 + 24 = 0
0 + -4x = -8 + 24
-4x = -8 + 24

Combine like terms: -8 + 24 = 16
-4x = 16

Divide each side by '-4'.
x = -4

Simplifying
x = -4

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