6=.10(30+x)

Solution for 6=.10(30+x) equation:

Simplifying
6 = 0.10(30 + x)
6 = (30 * 0.10 + x * 0.10)
6 = (3 + 0.10x)

Solving
6 = 3 + 0.10x

Solving for variable 'x'.

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

Add '-0.10x' to each side of the equation.
6 + -0.10x = 3 + 0.10x + -0.10x

Combine like terms: 0.10x + -0.10x = 0.00
6 + -0.10x = 3 + 0.00
6 + -0.10x = 3

Add '-6' to each side of the equation.
6 + -6 + -0.10x = 3 + -6

Combine like terms: 6 + -6 = 0
0 + -0.10x = 3 + -6
-0.10x = 3 + -6

Combine like terms: 3 + -6 = -3
-0.10x = -3

Divide each side by '-0.10'.
x = 30

Simplifying
x = 30