3x+6(x+3)=72

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Solution for 3x+6(x+3)=72 equation:


Simplifying
3x + 6(x + 3) = 72

Reorder the terms:
3x + 6(3 + x) = 72
3x + (3 * 6 + x * 6) = 72
3x + (18 + 6x) = 72

Reorder the terms:
18 + 3x + 6x = 72

Combine like terms: 3x + 6x = 9x
18 + 9x = 72

Solving
18 + 9x = 72

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 9x = 72 + -18

Combine like terms: 18 + -18 = 0
0 + 9x = 72 + -18
9x = 72 + -18

Combine like terms: 72 + -18 = 54
9x = 54

Divide each side by '9'.
x = 6

Simplifying
x = 6

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