(3x+16)+(4x+5)+(3x+9)=180

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Solution for (3x+16)+(4x+5)+(3x+9)=180 equation:


Simplifying
(3x + 16) + (4x + 5) + (3x + 9) = 180

Reorder the terms:
(16 + 3x) + (4x + 5) + (3x + 9) = 180

Remove parenthesis around (16 + 3x)
16 + 3x + (4x + 5) + (3x + 9) = 180

Reorder the terms:
16 + 3x + (5 + 4x) + (3x + 9) = 180

Remove parenthesis around (5 + 4x)
16 + 3x + 5 + 4x + (3x + 9) = 180

Reorder the terms:
16 + 3x + 5 + 4x + (9 + 3x) = 180

Remove parenthesis around (9 + 3x)
16 + 3x + 5 + 4x + 9 + 3x = 180

Reorder the terms:
16 + 5 + 9 + 3x + 4x + 3x = 180

Combine like terms: 16 + 5 = 21
21 + 9 + 3x + 4x + 3x = 180

Combine like terms: 21 + 9 = 30
30 + 3x + 4x + 3x = 180

Combine like terms: 3x + 4x = 7x
30 + 7x + 3x = 180

Combine like terms: 7x + 3x = 10x
30 + 10x = 180

Solving
30 + 10x = 180

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 10x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 10x = 180 + -30
10x = 180 + -30

Combine like terms: 180 + -30 = 150
10x = 150

Divide each side by '10'.
x = 15

Simplifying
x = 15

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