30-5x=12-3x

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Solution for 30-5x=12-3x equation:


Simplifying
30 + -5x = 12 + -3x

Solving
30 + -5x = 12 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
30 + -5x + 3x = 12 + -3x + 3x

Combine like terms: -5x + 3x = -2x
30 + -2x = 12 + -3x + 3x

Combine like terms: -3x + 3x = 0
30 + -2x = 12 + 0
30 + -2x = 12

Add '-30' to each side of the equation.
30 + -30 + -2x = 12 + -30

Combine like terms: 30 + -30 = 0
0 + -2x = 12 + -30
-2x = 12 + -30

Combine like terms: 12 + -30 = -18
-2x = -18

Divide each side by '-2'.
x = 9

Simplifying
x = 9

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