3+7x=9x

Solution for 3+7x=9x equation:

Simplifying
3 + 7x = 9x

Solving
3 + 7x = 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.
3 + 7x + -9x = 9x + -9x

Combine like terms: 7x + -9x = -2x
3 + -2x = 9x + -9x

Combine like terms: 9x + -9x = 0
3 + -2x = 0

Add '-3' to each side of the equation.
3 + -3 + -2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 0 + -3
-2x = 0 + -3

Combine like terms: 0 + -3 = -3
-2x = -3

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5