3X+7-x-9=X+10

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Solution for 3X+7-x-9=X+10 equation:


Simplifying
3X + 7 + -1x + -9 = X + 10

Reorder the terms:
7 + -9 + 3X + -1x = X + 10

Combine like terms: 7 + -9 = -2
-2 + 3X + -1x = X + 10

Reorder the terms:
-2 + 3X + -1x = 10 + X

Solving
-2 + 3X + -1x = 10 + 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 + -1x = 10 + X + -1X

Combine like terms: 3X + -1X = 2X
-2 + 2X + -1x = 10 + X + -1X

Combine like terms: X + -1X = 0
-2 + 2X + -1x = 10 + 0
-2 + 2X + -1x = 10

Add '2' to each side of the equation.
-2 + 2X + 2 + -1x = 10 + 2

Reorder the terms:
-2 + 2 + 2X + -1x = 10 + 2

Combine like terms: -2 + 2 = 0
0 + 2X + -1x = 10 + 2
2X + -1x = 10 + 2

Combine like terms: 10 + 2 = 12
2X + -1x = 12

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

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

Divide each side by '2'.
X = 6 + 0.5x

Simplifying
X = 6 + 0.5x

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