84=4x+20

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Solution for 84=4x+20 equation:


Simplifying
84 = 4x + 20

Reorder the terms:
84 = 20 + 4x

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

Combine like terms: 4x + -4x = 0
84 + -4x = 20 + 0
84 + -4x = 20

Add '-84' to each side of the equation.
84 + -84 + -4x = 20 + -84

Combine like terms: 84 + -84 = 0
0 + -4x = 20 + -84
-4x = 20 + -84

Combine like terms: 20 + -84 = -64
-4x = -64

Divide each side by '-4'.
x = 16

Simplifying
x = 16

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