8+3x=80-9x

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Solution for 8+3x=80-9x equation:


Simplifying
8 + 3x = 80 + -9x

Solving
8 + 3x = 80 + -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.
8 + 3x + 9x = 80 + -9x + 9x

Combine like terms: 3x + 9x = 12x
8 + 12x = 80 + -9x + 9x

Combine like terms: -9x + 9x = 0
8 + 12x = 80 + 0
8 + 12x = 80

Add '-8' to each side of the equation.
8 + -8 + 12x = 80 + -8

Combine like terms: 8 + -8 = 0
0 + 12x = 80 + -8
12x = 80 + -8

Combine like terms: 80 + -8 = 72
12x = 72

Divide each side by '12'.
x = 6

Simplifying
x = 6

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