6x+12-4x+21=-2

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Solution for 6x+12-4x+21=-2 equation:


Simplifying
6x + 12 + -4x + 21 = -2

Reorder the terms:
12 + 21 + 6x + -4x = -2

Combine like terms: 12 + 21 = 33
33 + 6x + -4x = -2

Combine like terms: 6x + -4x = 2x
33 + 2x = -2

Solving
33 + 2x = -2

Solving for variable 'x'.

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

Add '-33' to each side of the equation.
33 + -33 + 2x = -2 + -33

Combine like terms: 33 + -33 = 0
0 + 2x = -2 + -33
2x = -2 + -33

Combine like terms: -2 + -33 = -35
2x = -35

Divide each side by '2'.
x = -17.5

Simplifying
x = -17.5

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