x-3-3x+2=21

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


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

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

Combine like terms: -3 + 2 = -1
-1 + x + -3x = 21

Combine like terms: x + -3x = -2x
-1 + -2x = 21

Solving
-1 + -2x = 21

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -2x = 21 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 21 + 1
-2x = 21 + 1

Combine like terms: 21 + 1 = 22
-2x = 22

Divide each side by '-2'.
x = -11

Simplifying
x = -11

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