-105=7x+3(3x-3)

Solution for -105=7x+3(3x-3) equation:

Simplifying
-105 = 7x + 3(3x + -3)

Reorder the terms:
-105 = 7x + 3(-3 + 3x)
-105 = 7x + (-3 * 3 + 3x * 3)
-105 = 7x + (-9 + 9x)

Reorder the terms:
-105 = -9 + 7x + 9x

Combine like terms: 7x + 9x = 16x
-105 = -9 + 16x

Solving
-105 = -9 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
-105 + -16x = -9 + 16x + -16x

Combine like terms: 16x + -16x = 0
-105 + -16x = -9 + 0
-105 + -16x = -9

Add '105' to each side of the equation.
-105 + 105 + -16x = -9 + 105

Combine like terms: -105 + 105 = 0
0 + -16x = -9 + 105
-16x = -9 + 105

Combine like terms: -9 + 105 = 96
-16x = 96

Divide each side by '-16'.
x = -6

Simplifying
x = -6