12x+28-4x=20

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Solution for 12x+28-4x=20 equation:


Simplifying
12x + 28 + -4x = 20

Reorder the terms:
28 + 12x + -4x = 20

Combine like terms: 12x + -4x = 8x
28 + 8x = 20

Solving
28 + 8x = 20

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 8x = 20 + -28

Combine like terms: 28 + -28 = 0
0 + 8x = 20 + -28
8x = 20 + -28

Combine like terms: 20 + -28 = -8
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

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