2(12x-21)=9x

Solution for 2(12x-21)=9x equation:

Simplifying
2(12x + -21) = 9x

Reorder the terms:
2(-21 + 12x) = 9x
(-21 * 2 + 12x * 2) = 9x
(-42 + 24x) = 9x

Solving
-42 + 24x = 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.
-42 + 24x + -9x = 9x + -9x

Combine like terms: 24x + -9x = 15x
-42 + 15x = 9x + -9x

Combine like terms: 9x + -9x = 0
-42 + 15x = 0

Add '42' to each side of the equation.
-42 + 42 + 15x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 15x = 0 + 42
15x = 0 + 42

Combine like terms: 0 + 42 = 42
15x = 42

Divide each side by '15'.
x = 2.8

Simplifying
x = 2.8