9x+3(x+8)=72

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Solution for 9x+3(x+8)=72 equation: 


Simplifying
9x + 3(x + 8) = 72

Reorder the terms:
9x + 3(8 + x) = 72
9x + (8 * 3 + x * 3) = 72
9x + (24 + 3x) = 72

Reorder the terms:
24 + 9x + 3x = 72

Combine like terms: 9x + 3x = 12x
24 + 12x = 72

Solving
24 + 12x = 72

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 + 12x = 72 + -24

Combine like terms: 24 + -24 = 0
0 + 12x = 72 + -24
12x = 72 + -24

Combine like terms: 72 + -24 = 48
12x = 48

Divide each side by '12'.
x = 4

Simplifying
x = 4

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