5x-7-8x+9=0

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Solution for 5x-7-8x+9=0 equation:


Simplifying
5x + -7 + -8x + 9 = 0

Reorder the terms:
-7 + 9 + 5x + -8x = 0

Combine like terms: -7 + 9 = 2
2 + 5x + -8x = 0

Combine like terms: 5x + -8x = -3x
2 + -3x = 0

Solving
2 + -3x = 0

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + -3x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -3x = 0 + -2
-3x = 0 + -2

Combine like terms: 0 + -2 = -2
-3x = -2

Divide each side by '-3'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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