6-9x=123-30x

Solution for 6-9x=123-30x equation:

Simplifying
6 + -9x = 123 + -30x

Solving
6 + -9x = 123 + -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.
6 + -9x + 30x = 123 + -30x + 30x

Combine like terms: -9x + 30x = 21x
6 + 21x = 123 + -30x + 30x

Combine like terms: -30x + 30x = 0
6 + 21x = 123 + 0
6 + 21x = 123

Add '-6' to each side of the equation.
6 + -6 + 21x = 123 + -6

Combine like terms: 6 + -6 = 0
0 + 21x = 123 + -6
21x = 123 + -6

Combine like terms: 123 + -6 = 117
21x = 117

Divide each side by '21'.
x = 5.571428571

Simplifying
x = 5.571428571