12-3x=1x+7

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Solution for 12-3x=1x+7 equation:


Simplifying
12 + -3x = 1x + 7

Reorder the terms:
12 + -3x = 7 + 1x

Solving
12 + -3x = 7 + 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 = 7 + 1x + -1x

Combine like terms: -3x + -1x = -4x
12 + -4x = 7 + 1x + -1x

Combine like terms: 1x + -1x = 0
12 + -4x = 7 + 0
12 + -4x = 7

Add '-12' to each side of the equation.
12 + -12 + -4x = 7 + -12

Combine like terms: 12 + -12 = 0
0 + -4x = 7 + -12
-4x = 7 + -12

Combine like terms: 7 + -12 = -5
-4x = -5

Divide each side by '-4'.
x = 1.25

Simplifying
x = 1.25

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