-4x-3=2x-21

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Solution for -4x-3=2x-21 equation:


Simplifying
-4x + -3 = 2x + -21

Reorder the terms:
-3 + -4x = 2x + -21

Reorder the terms:
-3 + -4x = -21 + 2x

Solving
-3 + -4x = -21 + 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.
-3 + -4x + -2x = -21 + 2x + -2x

Combine like terms: -4x + -2x = -6x
-3 + -6x = -21 + 2x + -2x

Combine like terms: 2x + -2x = 0
-3 + -6x = -21 + 0
-3 + -6x = -21

Add '3' to each side of the equation.
-3 + 3 + -6x = -21 + 3

Combine like terms: -3 + 3 = 0
0 + -6x = -21 + 3
-6x = -21 + 3

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

Divide each side by '-6'.
x = 3

Simplifying
x = 3

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