x+(x+5)+2(x+5)=31

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Solution for x+(x+5)+2(x+5)=31 equation:


Simplifying
x + (x + 5) + 2(x + 5) = 31

Reorder the terms:
x + (5 + x) + 2(x + 5) = 31

Remove parenthesis around (5 + x)
x + 5 + x + 2(x + 5) = 31

Reorder the terms:
x + 5 + x + 2(5 + x) = 31
x + 5 + x + (5 * 2 + x * 2) = 31
x + 5 + x + (10 + 2x) = 31

Reorder the terms:
5 + 10 + x + x + 2x = 31

Combine like terms: 5 + 10 = 15
15 + x + x + 2x = 31

Combine like terms: x + x = 2x
15 + 2x + 2x = 31

Combine like terms: 2x + 2x = 4x
15 + 4x = 31

Solving
15 + 4x = 31

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 4x = 31 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 31 + -15
4x = 31 + -15

Combine like terms: 31 + -15 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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