8X+9=2X-7

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Solution for 8X+9=2X-7 equation:


Simplifying
8X + 9 = 2X + -7

Reorder the terms:
9 + 8X = 2X + -7

Reorder the terms:
9 + 8X = -7 + 2X

Solving
9 + 8X = -7 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
9 + 8X + -2X = -7 + 2X + -2X

Combine like terms: 8X + -2X = 6X
9 + 6X = -7 + 2X + -2X

Combine like terms: 2X + -2X = 0
9 + 6X = -7 + 0
9 + 6X = -7

Add '-9' to each side of the equation.
9 + -9 + 6X = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 6X = -7 + -9
6X = -7 + -9

Combine like terms: -7 + -9 = -16
6X = -16

Divide each side by '6'.
X = -2.666666667

Simplifying
X = -2.666666667

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