-21=4x-16

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Solution for -21=4x-16 equation:


Simplifying
-21 = 4x + -16

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

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

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

Add '21' to each side of the equation.
-21 + 21 + -4x = -16 + 21

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

Combine like terms: -16 + 21 = 5
-4x = 5

Divide each side by '-4'.
x = -1.25

Simplifying
x = -1.25

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