-4x+3=8x-21

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


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

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

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

Solving
3 + -4x = -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.
3 + -4x + -8x = -21 + 8x + -8x

Combine like terms: -4x + -8x = -12x
3 + -12x = -21 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -12x = -21 + 0
3 + -12x = -21

Add '-3' to each side of the equation.
3 + -3 + -12x = -21 + -3

Combine like terms: 3 + -3 = 0
0 + -12x = -21 + -3
-12x = -21 + -3

Combine like terms: -21 + -3 = -24
-12x = -24

Divide each side by '-12'.
x = 2

Simplifying
x = 2

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