9-(3x+1)=12

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Solution for 9-(3x+1)=12 equation:


Simplifying
9 + -1(3x + 1) = 12

Reorder the terms:
9 + -1(1 + 3x) = 12
9 + (1 * -1 + 3x * -1) = 12
9 + (-1 + -3x) = 12

Combine like terms: 9 + -1 = 8
8 + -3x = 12

Solving
8 + -3x = 12

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = -1.333333333

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