5X+2(X-1)=7(8-X)

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Solution for 5X+2(X-1)=7(8-X) equation:


Simplifying
5X + 2(X + -1) = 7(8 + -1X)

Reorder the terms:
5X + 2(-1 + X) = 7(8 + -1X)
5X + (-1 * 2 + X * 2) = 7(8 + -1X)
5X + (-2 + 2X) = 7(8 + -1X)

Reorder the terms:
-2 + 5X + 2X = 7(8 + -1X)

Combine like terms: 5X + 2X = 7X
-2 + 7X = 7(8 + -1X)
-2 + 7X = (8 * 7 + -1X * 7)
-2 + 7X = (56 + -7X)

Solving
-2 + 7X = 56 + -7X

Solving for variable 'X'.

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

Add '7X' to each side of the equation.
-2 + 7X + 7X = 56 + -7X + 7X

Combine like terms: 7X + 7X = 14X
-2 + 14X = 56 + -7X + 7X

Combine like terms: -7X + 7X = 0
-2 + 14X = 56 + 0
-2 + 14X = 56

Add '2' to each side of the equation.
-2 + 2 + 14X = 56 + 2

Combine like terms: -2 + 2 = 0
0 + 14X = 56 + 2
14X = 56 + 2

Combine like terms: 56 + 2 = 58
14X = 58

Divide each side by '14'.
X = 4.142857143

Simplifying
X = 4.142857143

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