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

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


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

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

Reorder the terms:
-2 + 3 + 2X = 31 + -1X

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

Solving
1 + 2X = 31 + -1X

Solving for variable 'X'.

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

Add 'X' to each side of the equation.
1 + 2X + X = 31 + -1X + X

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

Combine like terms: -1X + X = 0
1 + 3X = 31 + 0
1 + 3X = 31

Add '-1' to each side of the equation.
1 + -1 + 3X = 31 + -1

Combine like terms: 1 + -1 = 0
0 + 3X = 31 + -1
3X = 31 + -1

Combine like terms: 31 + -1 = 30
3X = 30

Divide each side by '3'.
X = 10

Simplifying
X = 10

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