3x+(x+7)=180

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


Simplifying
3x + (x + 7) = 180

Reorder the terms:
3x + (7 + x) = 180

Remove parenthesis around (7 + x)
3x + 7 + x = 180

Reorder the terms:
7 + 3x + x = 180

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

Solving
7 + 4x = 180

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 4x = 180 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 180 + -7
4x = 180 + -7

Combine like terms: 180 + -7 = 173
4x = 173

Divide each side by '4'.
x = 43.25

Simplifying
x = 43.25

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