6-3(9+x)=

Solution for 6-3(9+x)= equation:

Simplifying
6 + -3(9 + x) = 0
6 + (9 * -3 + x * -3) = 0
6 + (-27 + -3x) = 0

Combine like terms: 6 + -27 = -21
-21 + -3x = 0

Solving
-21 + -3x = 0

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -3x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = 0 + 21
-3x = 0 + 21

Combine like terms: 0 + 21 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7