-3(2x-8)=4x-21

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Solution for -3(2x-8)=4x-21 equation:


Simplifying
-3(2x + -8) = 4x + -21

Reorder the terms:
-3(-8 + 2x) = 4x + -21
(-8 * -3 + 2x * -3) = 4x + -21
(24 + -6x) = 4x + -21

Reorder the terms:
24 + -6x = -21 + 4x

Solving
24 + -6x = -21 + 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 + -6x + -4x = -21 + 4x + -4x

Combine like terms: -6x + -4x = -10x
24 + -10x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
24 + -10x = -21 + 0
24 + -10x = -21

Add '-24' to each side of the equation.
24 + -24 + -10x = -21 + -24

Combine like terms: 24 + -24 = 0
0 + -10x = -21 + -24
-10x = -21 + -24

Combine like terms: -21 + -24 = -45
-10x = -45

Divide each side by '-10'.
x = 4.5

Simplifying
x = 4.5

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