12-(3x+4)=40

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Solution for 12-(3x+4)=40 equation:


Simplifying
12 + -1(3x + 4) = 40

Reorder the terms:
12 + -1(4 + 3x) = 40
12 + (4 * -1 + 3x * -1) = 40
12 + (-4 + -3x) = 40

Combine like terms: 12 + -4 = 8
8 + -3x = 40

Solving
8 + -3x = 40

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 = 40 + -8

Combine like terms: 8 + -8 = 0
0 + -3x = 40 + -8
-3x = 40 + -8

Combine like terms: 40 + -8 = 32
-3x = 32

Divide each side by '-3'.
x = -10.66666667

Simplifying
x = -10.66666667

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