6x-3+21=6x-3-4-8x

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Solution for 6x-3+21=6x-3-4-8x equation:


Simplifying
6x + -3 + 21 = 6x + -3 + -4 + -8x

Reorder the terms:
-3 + 21 + 6x = 6x + -3 + -4 + -8x

Combine like terms: -3 + 21 = 18
18 + 6x = 6x + -3 + -4 + -8x

Reorder the terms:
18 + 6x = -3 + -4 + 6x + -8x

Combine like terms: -3 + -4 = -7
18 + 6x = -7 + 6x + -8x

Combine like terms: 6x + -8x = -2x
18 + 6x = -7 + -2x

Solving
18 + 6x = -7 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
18 + 6x + 2x = -7 + -2x + 2x

Combine like terms: 6x + 2x = 8x
18 + 8x = -7 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 8x = -7 + 0
18 + 8x = -7

Add '-18' to each side of the equation.
18 + -18 + 8x = -7 + -18

Combine like terms: 18 + -18 = 0
0 + 8x = -7 + -18
8x = -7 + -18

Combine like terms: -7 + -18 = -25
8x = -25

Divide each side by '8'.
x = -3.125

Simplifying
x = -3.125

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