2X+9+2X+1+90=180

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Solution for 2X+9+2X+1+90=180 equation: 


Simplifying
2X + 9 + 2X + 1 + 90 = 180

Reorder the terms:
9 + 1 + 90 + 2X + 2X = 180

Combine like terms: 9 + 1 = 10
10 + 90 + 2X + 2X = 180

Combine like terms: 10 + 90 = 100
100 + 2X + 2X = 180

Combine like terms: 2X + 2X = 4X
100 + 4X = 180

Solving
100 + 4X = 180

Solving for variable 'X'.

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

Add '-100' to each side of the equation.
100 + -100 + 4X = 180 + -100

Combine like terms: 100 + -100 = 0
0 + 4X = 180 + -100
4X = 180 + -100

Combine like terms: 180 + -100 = 80
4X = 80

Divide each side by '4'.
X = 20

Simplifying
X = 20

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