2x+20+x+1=90

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Solution for 2x+20+x+1=90 equation: 


Simplifying
2x + 20 + x + 1 = 90

Reorder the terms:
20 + 1 + 2x + x = 90

Combine like terms: 20 + 1 = 21
21 + 2x + x = 90

Combine like terms: 2x + x = 3x
21 + 3x = 90

Solving
21 + 3x = 90

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = 90 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 90 + -21
3x = 90 + -21

Combine like terms: 90 + -21 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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