21-x+3=4x

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Solution for 21-x+3=4x equation:


Simplifying
21 + -1x + 3 = 4x

Reorder the terms:
21 + 3 + -1x = 4x

Combine like terms: 21 + 3 = 24
24 + -1x = 4x

Solving
24 + -1x = 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.
24 + -1x + -4x = 4x + -4x

Combine like terms: -1x + -4x = -5x
24 + -5x = 4x + -4x

Combine like terms: 4x + -4x = 0
24 + -5x = 0

Add '-24' to each side of the equation.
24 + -24 + -5x = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -5x = 0 + -24
-5x = 0 + -24

Combine like terms: 0 + -24 = -24
-5x = -24

Divide each side by '-5'.
x = 4.8

Simplifying
x = 4.8

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