21x-12+3=x-31x

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Solution for 21x-12+3=x-31x equation:


Simplifying
21x + -12 + 3 = x + -31x

Reorder the terms:
-12 + 3 + 21x = x + -31x

Combine like terms: -12 + 3 = -9
-9 + 21x = x + -31x

Combine like terms: x + -31x = -30x
-9 + 21x = -30x

Solving
-9 + 21x = -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
-9 + 21x + 30x = -30x + 30x

Combine like terms: 21x + 30x = 51x
-9 + 51x = -30x + 30x

Combine like terms: -30x + 30x = 0
-9 + 51x = 0

Add '9' to each side of the equation.
-9 + 9 + 51x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 51x = 0 + 9
51x = 0 + 9

Combine like terms: 0 + 9 = 9
51x = 9

Divide each side by '51'.
x = 0.1764705882

Simplifying
x = 0.1764705882

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