9X-1=72-8X

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Solution for 9X-1=72-8X equation:


Simplifying
9X + -1 = 72 + -8X

Reorder the terms:
-1 + 9X = 72 + -8X

Solving
-1 + 9X = 72 + -8X

Solving for variable 'X'.

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

Add '8X' to each side of the equation.
-1 + 9X + 8X = 72 + -8X + 8X

Combine like terms: 9X + 8X = 17X
-1 + 17X = 72 + -8X + 8X

Combine like terms: -8X + 8X = 0
-1 + 17X = 72 + 0
-1 + 17X = 72

Add '1' to each side of the equation.
-1 + 1 + 17X = 72 + 1

Combine like terms: -1 + 1 = 0
0 + 17X = 72 + 1
17X = 72 + 1

Combine like terms: 72 + 1 = 73
17X = 73

Divide each side by '17'.
X = 4.294117647

Simplifying
X = 4.294117647

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