(3x+8)+(x+4)=180

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Solution for (3x+8)+(x+4)=180 equation:


Simplifying
(3x + 8) + (x + 4) = 180

Reorder the terms:
(8 + 3x) + (x + 4) = 180

Remove parenthesis around (8 + 3x)
8 + 3x + (x + 4) = 180

Reorder the terms:
8 + 3x + (4 + x) = 180

Remove parenthesis around (4 + x)
8 + 3x + 4 + x = 180

Reorder the terms:
8 + 4 + 3x + x = 180

Combine like terms: 8 + 4 = 12
12 + 3x + x = 180

Combine like terms: 3x + x = 4x
12 + 4x = 180

Solving
12 + 4x = 180

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 180 + -12
4x = 180 + -12

Combine like terms: 180 + -12 = 168
4x = 168

Divide each side by '4'.
x = 42

Simplifying
x = 42

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