3(2x+5)-9=30

Solution for 3(2x+5)-9=30 equation:

Simplifying
3(2x + 5) + -9 = 30

Reorder the terms:
3(5 + 2x) + -9 = 30
(5 * 3 + 2x * 3) + -9 = 30
(15 + 6x) + -9 = 30

Reorder the terms:
15 + -9 + 6x = 30

Combine like terms: 15 + -9 = 6
6 + 6x = 30

Solving
6 + 6x = 30

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 6x = 30 + -6

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

Combine like terms: 30 + -6 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4