3x+1+x+21=180

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


Simplifying
3x + 1 + x + 21 = 180

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

Combine like terms: 1 + 21 = 22
22 + 3x + x = 180

Combine like terms: 3x + x = 4x
22 + 4x = 180

Solving
22 + 4x = 180

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 4x = 180 + -22

Combine like terms: 22 + -22 = 0
0 + 4x = 180 + -22
4x = 180 + -22

Combine like terms: 180 + -22 = 158
4x = 158

Divide each side by '4'.
x = 39.5

Simplifying
x = 39.5

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