72+16x=20x-21

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Solution for 72+16x=20x-21 equation:


Simplifying
72 + 16x = 20x + -21

Reorder the terms:
72 + 16x = -21 + 20x

Solving
72 + 16x = -21 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
72 + 16x + -20x = -21 + 20x + -20x

Combine like terms: 16x + -20x = -4x
72 + -4x = -21 + 20x + -20x

Combine like terms: 20x + -20x = 0
72 + -4x = -21 + 0
72 + -4x = -21

Add '-72' to each side of the equation.
72 + -72 + -4x = -21 + -72

Combine like terms: 72 + -72 = 0
0 + -4x = -21 + -72
-4x = -21 + -72

Combine like terms: -21 + -72 = -93
-4x = -93

Divide each side by '-4'.
x = 23.25

Simplifying
x = 23.25

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