x+3(x-8)=12

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Solution for x+3(x-8)=12 equation:


Simplifying
x + 3(x + -8) = 12

Reorder the terms:
x + 3(-8 + x) = 12
x + (-8 * 3 + x * 3) = 12
x + (-24 + 3x) = 12

Reorder the terms:
-24 + x + 3x = 12

Combine like terms: x + 3x = 4x
-24 + 4x = 12

Solving
-24 + 4x = 12

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 4x = 12 + 24

Combine like terms: -24 + 24 = 0
0 + 4x = 12 + 24
4x = 12 + 24

Combine like terms: 12 + 24 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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