3(x+7)+(4x+15)=180

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Solution for 3(x+7)+(4x+15)=180 equation:


Simplifying
3(x + 7) + (4x + 15) = 180

Reorder the terms:
3(7 + x) + (4x + 15) = 180
(7 * 3 + x * 3) + (4x + 15) = 180
(21 + 3x) + (4x + 15) = 180

Reorder the terms:
21 + 3x + (15 + 4x) = 180

Remove parenthesis around (15 + 4x)
21 + 3x + 15 + 4x = 180

Reorder the terms:
21 + 15 + 3x + 4x = 180

Combine like terms: 21 + 15 = 36
36 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
36 + 7x = 180

Solving
36 + 7x = 180

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 7x = 180 + -36

Combine like terms: 36 + -36 = 0
0 + 7x = 180 + -36
7x = 180 + -36

Combine like terms: 180 + -36 = 144
7x = 144

Divide each side by '7'.
x = 20.57142857

Simplifying
x = 20.57142857

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