12=7+3x+1

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


Simplifying
12 = 7 + 3x + 1

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

Combine like terms: 7 + 1 = 8
12 = 8 + 3x

Solving
12 = 8 + 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.
12 + -3x = 8 + 3x + -3x

Combine like terms: 3x + -3x = 0
12 + -3x = 8 + 0
12 + -3x = 8

Add '-12' to each side of the equation.
12 + -12 + -3x = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = 8 + -12
-3x = 8 + -12

Combine like terms: 8 + -12 = -4
-3x = -4

Divide each side by '-3'.
x = 1.333333333

Simplifying
x = 1.333333333

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