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

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


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

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

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

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

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

Combine like terms: 2x + 3x = 5x
1 + 5x = 31

Solving
1 + 5x = 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 + 5x = 31 + -1

Combine like terms: 1 + -1 = 0
0 + 5x = 31 + -1
5x = 31 + -1

Combine like terms: 31 + -1 = 30
5x = 30

Divide each side by '5'.
x = 6

Simplifying
x = 6

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