12+20x-4=3+2x-4

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Solution for 12+20x-4=3+2x-4 equation:


Simplifying
12 + 20x + -4 = 3 + 2x + -4

Reorder the terms:
12 + -4 + 20x = 3 + 2x + -4

Combine like terms: 12 + -4 = 8
8 + 20x = 3 + 2x + -4

Reorder the terms:
8 + 20x = 3 + -4 + 2x

Combine like terms: 3 + -4 = -1
8 + 20x = -1 + 2x

Solving
8 + 20x = -1 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
8 + 20x + -2x = -1 + 2x + -2x

Combine like terms: 20x + -2x = 18x
8 + 18x = -1 + 2x + -2x

Combine like terms: 2x + -2x = 0
8 + 18x = -1 + 0
8 + 18x = -1

Add '-8' to each side of the equation.
8 + -8 + 18x = -1 + -8

Combine like terms: 8 + -8 = 0
0 + 18x = -1 + -8
18x = -1 + -8

Combine like terms: -1 + -8 = -9
18x = -9

Divide each side by '18'.
x = -0.5

Simplifying
x = -0.5

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