x+2x+(3x+1)=31

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Solution for x+2x+(3x+1)=31 equation:


Simplifying
x + 2x + (3x + 1) = 31

Reorder the terms:
x + 2x + (1 + 3x) = 31

Remove parenthesis around (1 + 3x)
x + 2x + 1 + 3x = 31

Reorder the terms:
1 + x + 2x + 3x = 31

Combine like terms: x + 2x = 3x
1 + 3x + 3x = 31

Combine like terms: 3x + 3x = 6x
1 + 6x = 31

Solving
1 + 6x = 31

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 + 6x = 31 + -1

Combine like terms: 1 + -1 = 0
0 + 6x = 31 + -1
6x = 31 + -1

Combine like terms: 31 + -1 = 30
6x = 30

Divide each side by '6'.
x = 5

Simplifying
x = 5

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