.3(3)-1=x

Solution for .3(3)-1=x equation:

Simplifying
0.3(3) + -1 = x

Multiply 0.3 * 3
0.9 + -1 = x

Combine like terms: 0.9 + -1 = -0.1
-0.1 = x

Solving
-0.1 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-0.1 + -1x = x + -1x

Combine like terms: x + -1x = 0
-0.1 + -1x = 0

Add '0.1' to each side of the equation.
-0.1 + 0.1 + -1x = 0 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + -1x = 0 + 0.1
-1x = 0 + 0.1

Combine like terms: 0 + 0.1 = 0.1
-1x = 0.1

Divide each side by '-1'.
x = -0.1

Simplifying
x = -0.1