-0.20(30)=0.20(30+x)

Solution for -0.20(30)=0.20(30+x) equation:

Simplifying
-0.20(30) = 0.20(30 + x)

Multiply -0.20 * 30
-6 = 0.20(30 + x)
-6 = (30 * 0.20 + x * 0.20)
-6 = (6 + 0.20x)

Solving
-6 = 6 + 0.20x

Solving for variable 'x'.

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

Add '-0.20x' to each side of the equation.
-6 + -0.20x = 6 + 0.20x + -0.20x

Combine like terms: 0.20x + -0.20x = 0.00
-6 + -0.20x = 6 + 0.00
-6 + -0.20x = 6

Add '6' to each side of the equation.
-6 + 6 + -0.20x = 6 + 6

Combine like terms: -6 + 6 = 0
0 + -0.20x = 6 + 6
-0.20x = 6 + 6

Combine like terms: 6 + 6 = 12
-0.20x = 12

Divide each side by '-0.20'.
x = -60

Simplifying
x = -60