31=9(2x-5)

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Solution for 31=9(2x-5) equation:


Simplifying
31 = 9(2x + -5)

Reorder the terms:
31 = 9(-5 + 2x)
31 = (-5 * 9 + 2x * 9)
31 = (-45 + 18x)

Solving
31 = -45 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
31 + -18x = -45 + 18x + -18x

Combine like terms: 18x + -18x = 0
31 + -18x = -45 + 0
31 + -18x = -45

Add '-31' to each side of the equation.
31 + -31 + -18x = -45 + -31

Combine like terms: 31 + -31 = 0
0 + -18x = -45 + -31
-18x = -45 + -31

Combine like terms: -45 + -31 = -76
-18x = -76

Divide each side by '-18'.
x = 4.222222222

Simplifying
x = 4.222222222

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