(7+4)+(3x+9)=180

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Solution for (7+4)+(3x+9)=180 equation:


Simplifying
(7 + 4) + (3x + 9) = 180

Combine like terms: 7 + 4 = 11
(11) + (3x + 9) = 180
11 + (3x + 9) = 180

Reorder the terms:
11 + (9 + 3x) = 180

Remove parenthesis around (9 + 3x)
11 + 9 + 3x = 180

Combine like terms: 11 + 9 = 20
20 + 3x = 180

Solving
20 + 3x = 180

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 3x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = 180 + -20
3x = 180 + -20

Combine like terms: 180 + -20 = 160
3x = 160

Divide each side by '3'.
x = 53.33333333

Simplifying
x = 53.33333333

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