(3x+4)+(2x+9)=72

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Solution for (3x+4)+(2x+9)=72 equation:


Simplifying
(3x + 4) + (2x + 9) = 72

Reorder the terms:
(4 + 3x) + (2x + 9) = 72

Remove parenthesis around (4 + 3x)
4 + 3x + (2x + 9) = 72

Reorder the terms:
4 + 3x + (9 + 2x) = 72

Remove parenthesis around (9 + 2x)
4 + 3x + 9 + 2x = 72

Reorder the terms:
4 + 9 + 3x + 2x = 72

Combine like terms: 4 + 9 = 13
13 + 3x + 2x = 72

Combine like terms: 3x + 2x = 5x
13 + 5x = 72

Solving
13 + 5x = 72

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 5x = 72 + -13

Combine like terms: 13 + -13 = 0
0 + 5x = 72 + -13
5x = 72 + -13

Combine like terms: 72 + -13 = 59
5x = 59

Divide each side by '5'.
x = 11.8

Simplifying
x = 11.8

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