(8x+3)-(18x+9)=3

Solution for (8x+3)-(18x+9)=3 equation:

Simplifying
(8x + 3) + -1(18x + 9) = 3

Reorder the terms:
(3 + 8x) + -1(18x + 9) = 3

Remove parenthesis around (3 + 8x)
3 + 8x + -1(18x + 9) = 3

Reorder the terms:
3 + 8x + -1(9 + 18x) = 3
3 + 8x + (9 * -1 + 18x * -1) = 3
3 + 8x + (-9 + -18x) = 3

Reorder the terms:
3 + -9 + 8x + -18x = 3

Combine like terms: 3 + -9 = -6
-6 + 8x + -18x = 3

Combine like terms: 8x + -18x = -10x
-6 + -10x = 3

Solving
-6 + -10x = 3

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 + -10x = 3 + 6

Combine like terms: -6 + 6 = 0
0 + -10x = 3 + 6
-10x = 3 + 6

Combine like terms: 3 + 6 = 9
-10x = 9

Divide each side by '-10'.
x = -0.9

Simplifying
x = -0.9