3x+8+2x+1+x+21=180

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Solution for 3x+8+2x+1+x+21=180 equation:


Simplifying
3x + 8 + 2x + 1 + x + 21 = 180

Reorder the terms:
8 + 1 + 21 + 3x + 2x + x = 180

Combine like terms: 8 + 1 = 9
9 + 21 + 3x + 2x + x = 180

Combine like terms: 9 + 21 = 30
30 + 3x + 2x + x = 180

Combine like terms: 3x + 2x = 5x
30 + 5x + x = 180

Combine like terms: 5x + x = 6x
30 + 6x = 180

Solving
30 + 6x = 180

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 6x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 6x = 180 + -30
6x = 180 + -30

Combine like terms: 180 + -30 = 150
6x = 150

Divide each side by '6'.
x = 25

Simplifying
x = 25

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