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

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


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

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

Remove parenthesis around (3 + 3x)
3x + 3 + 3x + (3x + 6) = 72

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

Remove parenthesis around (6 + 3x)
3x + 3 + 3x + 6 + 3x = 72

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

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

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

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

Solving
9 + 9x = 72

Solving for variable 'x'.

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

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

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

Combine like terms: 72 + -9 = 63
9x = 63

Divide each side by '9'.
x = 7

Simplifying
x = 7

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