2(X+4)+2(X-1)=40

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Solution for 2(X+4)+2(X-1)=40 equation: 


Simplifying
2(X + 4) + 2(X + -1) = 40

Reorder the terms:
2(4 + X) + 2(X + -1) = 40
(4 * 2 + X * 2) + 2(X + -1) = 40
(8 + 2X) + 2(X + -1) = 40

Reorder the terms:
8 + 2X + 2(-1 + X) = 40
8 + 2X + (-1 * 2 + X * 2) = 40
8 + 2X + (-2 + 2X) = 40

Reorder the terms:
8 + -2 + 2X + 2X = 40

Combine like terms: 8 + -2 = 6
6 + 2X + 2X = 40

Combine like terms: 2X + 2X = 4X
6 + 4X = 40

Solving
6 + 4X = 40

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + -6 + 4X = 40 + -6

Combine like terms: 6 + -6 = 0
0 + 4X = 40 + -6
4X = 40 + -6

Combine like terms: 40 + -6 = 34
4X = 34

Divide each side by '4'.
X = 8.5

Simplifying
X = 8.5

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