3x+12=1x+3

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Solution for 3x+12=1x+3 equation:


Simplifying
3x + 12 = 1x + 3

Reorder the terms:
12 + 3x = 1x + 3

Reorder the terms:
12 + 3x = 3 + 1x

Solving
12 + 3x = 3 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + 3x + -1x = 3 + 1x + -1x

Combine like terms: 3x + -1x = 2x
12 + 2x = 3 + 1x + -1x

Combine like terms: 1x + -1x = 0
12 + 2x = 3 + 0
12 + 2x = 3

Add '-12' to each side of the equation.
12 + -12 + 2x = 3 + -12

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

Combine like terms: 3 + -12 = -9
2x = -9

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

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