12x+30=3x+20

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Solution for 12x+30=3x+20 equation:


Simplifying
12x + 30 = 3x + 20

Reorder the terms:
30 + 12x = 3x + 20

Reorder the terms:
30 + 12x = 20 + 3x

Solving
30 + 12x = 20 + 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 + 12x + -3x = 20 + 3x + -3x

Combine like terms: 12x + -3x = 9x
30 + 9x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
30 + 9x = 20 + 0
30 + 9x = 20

Add '-30' to each side of the equation.
30 + -30 + 9x = 20 + -30

Combine like terms: 30 + -30 = 0
0 + 9x = 20 + -30
9x = 20 + -30

Combine like terms: 20 + -30 = -10
9x = -10

Divide each side by '9'.
x = -1.111111111

Simplifying
x = -1.111111111

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