-3(5x+3)-(x-3)=

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

Simplifying
-3(5x + 3) + -1(x + -3) = 0

Reorder the terms:
-3(3 + 5x) + -1(x + -3) = 0
(3 * -3 + 5x * -3) + -1(x + -3) = 0
(-9 + -15x) + -1(x + -3) = 0

Reorder the terms:
-9 + -15x + -1(-3 + x) = 0
-9 + -15x + (-3 * -1 + x * -1) = 0
-9 + -15x + (3 + -1x) = 0

Reorder the terms:
-9 + 3 + -15x + -1x = 0

Combine like terms: -9 + 3 = -6
-6 + -15x + -1x = 0

Combine like terms: -15x + -1x = -16x
-6 + -16x = 0

Solving
-6 + -16x = 0

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 + -16x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -16x = 0 + 6
-16x = 0 + 6

Combine like terms: 0 + 6 = 6
-16x = 6

Divide each side by '-16'.
x = -0.375

Simplifying
x = -0.375