20-5x=7x-28

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Solution for 20-5x=7x-28 equation:


Simplifying
20 + -5x = 7x + -28

Reorder the terms:
20 + -5x = -28 + 7x

Solving
20 + -5x = -28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20 + -5x + -7x = -28 + 7x + -7x

Combine like terms: -5x + -7x = -12x
20 + -12x = -28 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + -12x = -28 + 0
20 + -12x = -28

Add '-20' to each side of the equation.
20 + -20 + -12x = -28 + -20

Combine like terms: 20 + -20 = 0
0 + -12x = -28 + -20
-12x = -28 + -20

Combine like terms: -28 + -20 = -48
-12x = -48

Divide each side by '-12'.
x = 4

Simplifying
x = 4

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