81x=9(140-x)

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Solution for 81x=9(140-x) equation:


Simplifying
81x = 9(140 + -1x)
81x = (140 * 9 + -1x * 9)
81x = (1260 + -9x)

Solving
81x = 1260 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
81x + 9x = 1260 + -9x + 9x

Combine like terms: 81x + 9x = 90x
90x = 1260 + -9x + 9x

Combine like terms: -9x + 9x = 0
90x = 1260 + 0
90x = 1260

Divide each side by '90'.
x = 14

Simplifying
x = 14

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