28x+21=5x+20-6

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Solution for 28x+21=5x+20-6 equation:


Simplifying
28x + 21 = 5x + 20 + -6

Reorder the terms:
21 + 28x = 5x + 20 + -6

Reorder the terms:
21 + 28x = 20 + -6 + 5x

Combine like terms: 20 + -6 = 14
21 + 28x = 14 + 5x

Solving
21 + 28x = 14 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21 + 28x + -5x = 14 + 5x + -5x

Combine like terms: 28x + -5x = 23x
21 + 23x = 14 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + 23x = 14 + 0
21 + 23x = 14

Add '-21' to each side of the equation.
21 + -21 + 23x = 14 + -21

Combine like terms: 21 + -21 = 0
0 + 23x = 14 + -21
23x = 14 + -21

Combine like terms: 14 + -21 = -7
23x = -7

Divide each side by '23'.
x = -0.3043478261

Simplifying
x = -0.3043478261

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