3(x-1)+(x+7)=180

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Solution for 3(x-1)+(x+7)=180 equation:


Simplifying
3(x + -1) + (x + 7) = 180

Reorder the terms:
3(-1 + x) + (x + 7) = 180
(-1 * 3 + x * 3) + (x + 7) = 180
(-3 + 3x) + (x + 7) = 180

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

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

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

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

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

Solving
4 + 4x = 180

Solving for variable 'x'.

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

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

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

Combine like terms: 180 + -4 = 176
4x = 176

Divide each side by '4'.
x = 44

Simplifying
x = 44

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