21+(3x+2)+(4x-7)=180

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Solution for 21+(3x+2)+(4x-7)=180 equation: 


Simplifying
21 + (3x + 2) + (4x + -7) = 180

Reorder the terms:
21 + (2 + 3x) + (4x + -7) = 180

Remove parenthesis around (2 + 3x)
21 + 2 + 3x + (4x + -7) = 180

Reorder the terms:
21 + 2 + 3x + (-7 + 4x) = 180

Remove parenthesis around (-7 + 4x)
21 + 2 + 3x + -7 + 4x = 180

Reorder the terms:
21 + 2 + -7 + 3x + 4x = 180

Combine like terms: 21 + 2 = 23
23 + -7 + 3x + 4x = 180

Combine like terms: 23 + -7 = 16
16 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
16 + 7x = 180

Solving
16 + 7x = 180

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 7x = 180 + -16

Combine like terms: 16 + -16 = 0
0 + 7x = 180 + -16
7x = 180 + -16

Combine like terms: 180 + -16 = 164
7x = 164

Divide each side by '7'.
x = 23.42857143

Simplifying
x = 23.42857143

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