(3x-8)=(8x-21)

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Solution for (3x-8)=(8x-21) equation:


Simplifying
(3x + -8) = (8x + -21)

Reorder the terms:
(-8 + 3x) = (8x + -21)

Remove parenthesis around (-8 + 3x)
-8 + 3x = (8x + -21)

Reorder the terms:
-8 + 3x = (-21 + 8x)

Remove parenthesis around (-21 + 8x)
-8 + 3x = -21 + 8x

Solving
-8 + 3x = -21 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-8 + 3x + -8x = -21 + 8x + -8x

Combine like terms: 3x + -8x = -5x
-8 + -5x = -21 + 8x + -8x

Combine like terms: 8x + -8x = 0
-8 + -5x = -21 + 0
-8 + -5x = -21

Add '8' to each side of the equation.
-8 + 8 + -5x = -21 + 8

Combine like terms: -8 + 8 = 0
0 + -5x = -21 + 8
-5x = -21 + 8

Combine like terms: -21 + 8 = -13
-5x = -13

Divide each side by '-5'.
x = 2.6

Simplifying
x = 2.6

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