20x-16=4x+21

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Solution for 20x-16=4x+21 equation:


Simplifying
20x + -16 = 4x + 21

Reorder the terms:
-16 + 20x = 4x + 21

Reorder the terms:
-16 + 20x = 21 + 4x

Solving
-16 + 20x = 21 + 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.
-16 + 20x + -4x = 21 + 4x + -4x

Combine like terms: 20x + -4x = 16x
-16 + 16x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-16 + 16x = 21 + 0
-16 + 16x = 21

Add '16' to each side of the equation.
-16 + 16 + 16x = 21 + 16

Combine like terms: -16 + 16 = 0
0 + 16x = 21 + 16
16x = 21 + 16

Combine like terms: 21 + 16 = 37
16x = 37

Divide each side by '16'.
x = 2.3125

Simplifying
x = 2.3125

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