8-9x=89-30x

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Solution for 8-9x=89-30x equation:


Simplifying
8 + -9x = 89 + -30x

Solving
8 + -9x = 89 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
8 + -9x + 30x = 89 + -30x + 30x

Combine like terms: -9x + 30x = 21x
8 + 21x = 89 + -30x + 30x

Combine like terms: -30x + 30x = 0
8 + 21x = 89 + 0
8 + 21x = 89

Add '-8' to each side of the equation.
8 + -8 + 21x = 89 + -8

Combine like terms: 8 + -8 = 0
0 + 21x = 89 + -8
21x = 89 + -8

Combine like terms: 89 + -8 = 81
21x = 81

Divide each side by '21'.
x = 3.857142857

Simplifying
x = 3.857142857

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