(9x+42)=(15x)

Solution for (9x+42)=(15x) equation:

Simplifying
(9x + 42) = (15x)

Reorder the terms:
(42 + 9x) = (15x)

Remove parenthesis around (42 + 9x)
42 + 9x = (15x)

Solving
42 + 9x = (15x)

Solving for variable 'x'.

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

Add '(-15x)' to each side of the equation.
42 + 9x + (-15x) = (15x) + (-15x)

Combine like terms: 9x + (-15x) = -6x
42 + -6x = (15x) + (-15x)

Combine like terms: (15x) + (-15x) = 0
42 + -6x = 0

Add '-42' to each side of the equation.
42 + -42 + -6x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -6x = 0 + -42
-6x = 0 + -42

Combine like terms: 0 + -42 = -42
-6x = -42

Divide each side by '-6'.
x = 7

Simplifying
x = 7