x+x+1+x+3=31

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Solution for x+x+1+x+3=31 equation:


Simplifying
x + x + 1 + x + 3 = 31

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

Combine like terms: 1 + 3 = 4
4 + x + x + x = 31

Combine like terms: x + x = 2x
4 + 2x + x = 31

Combine like terms: 2x + x = 3x
4 + 3x = 31

Solving
4 + 3x = 31

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 3x = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 31 + -4
3x = 31 + -4

Combine like terms: 31 + -4 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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