x+2x+1=10

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Solution for x+2x+1=10 equation: 


Simplifying
x + 2x + 1 = 10

Reorder the terms:
1 + x + 2x = 10

Combine like terms: x + 2x = 3x
1 + 3x = 10

Solving
1 + 3x = 10

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 3x = 10 + -1

Combine like terms: 1 + -1 = 0
0 + 3x = 10 + -1
3x = 10 + -1

Combine like terms: 10 + -1 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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