5X+9+(-2X)-7=X+12

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Solution for 5X+9+(-2X)-7=X+12 equation: 


Simplifying
5X + 9 + (-2X) + -7 = X + 12

Reorder the terms:
9 + -7 + 5X + (-2X) = X + 12

Combine like terms: 9 + -7 = 2
2 + 5X + (-2X) = X + 12

Combine like terms: 5X + (-2X) = 3X
2 + 3X = X + 12

Reorder the terms:
2 + 3X = 12 + X

Solving
2 + 3X = 12 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
2 + 3X + -1X = 12 + X + -1X

Combine like terms: 3X + -1X = 2X
2 + 2X = 12 + X + -1X

Combine like terms: X + -1X = 0
2 + 2X = 12 + 0
2 + 2X = 12

Add '-2' to each side of the equation.
2 + -2 + 2X = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 2X = 12 + -2
2X = 12 + -2

Combine like terms: 12 + -2 = 10
2X = 10

Divide each side by '2'.
X = 5

Simplifying
X = 5

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