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

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


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

Reorder the terms:
3(3 + X) + 2(X + 1) = 31
(3 * 3 + X * 3) + 2(X + 1) = 31
(9 + 3X) + 2(X + 1) = 31

Reorder the terms:
9 + 3X + 2(1 + X) = 31
9 + 3X + (1 * 2 + X * 2) = 31
9 + 3X + (2 + 2X) = 31

Reorder the terms:
9 + 2 + 3X + 2X = 31

Combine like terms: 9 + 2 = 11
11 + 3X + 2X = 31

Combine like terms: 3X + 2X = 5X
11 + 5X = 31

Solving
11 + 5X = 31

Solving for variable 'X'.

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

Add '-11' to each side of the equation.
11 + -11 + 5X = 31 + -11

Combine like terms: 11 + -11 = 0
0 + 5X = 31 + -11
5X = 31 + -11

Combine like terms: 31 + -11 = 20
5X = 20

Divide each side by '5'.
X = 4

Simplifying
X = 4

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