4+3(x+9)=12

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Solution for 4+3(x+9)=12 equation:


Simplifying
4 + 3(x + 9) = 12

Reorder the terms:
4 + 3(9 + x) = 12
4 + (9 * 3 + x * 3) = 12
4 + (27 + 3x) = 12

Combine like terms: 4 + 27 = 31
31 + 3x = 12

Solving
31 + 3x = 12

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + 3x = 12 + -31

Combine like terms: 31 + -31 = 0
0 + 3x = 12 + -31
3x = 12 + -31

Combine like terms: 12 + -31 = -19
3x = -19

Divide each side by '3'.
x = -6.333333333

Simplifying
x = -6.333333333

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