20x-28=4x-84

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Solution for 20x-28=4x-84 equation:


Simplifying
20x + -28 = 4x + -84

Reorder the terms:
-28 + 20x = 4x + -84

Reorder the terms:
-28 + 20x = -84 + 4x

Solving
-28 + 20x = -84 + 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.
-28 + 20x + -4x = -84 + 4x + -4x

Combine like terms: 20x + -4x = 16x
-28 + 16x = -84 + 4x + -4x

Combine like terms: 4x + -4x = 0
-28 + 16x = -84 + 0
-28 + 16x = -84

Add '28' to each side of the equation.
-28 + 28 + 16x = -84 + 28

Combine like terms: -28 + 28 = 0
0 + 16x = -84 + 28
16x = -84 + 28

Combine like terms: -84 + 28 = -56
16x = -56

Divide each side by '16'.
x = -3.5

Simplifying
x = -3.5

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