7x=81-2x

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Solution for 7x=81-2x equation:


Simplifying
7x = 81 + -2x

Solving
7x = 81 + -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.
7x + 2x = 81 + -2x + 2x

Combine like terms: 7x + 2x = 9x
9x = 81 + -2x + 2x

Combine like terms: -2x + 2x = 0
9x = 81 + 0
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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