.30*520=x

Solution for .30*520=x equation:

Simplifying
0.30 * 520 = x

Multiply 0.30 * 520
156 = x

Solving
156 = 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.
156 + -1x = x + -1x

Combine like terms: x + -1x = 0
156 + -1x = 0

Add '-156' to each side of the equation.
156 + -156 + -1x = 0 + -156

Combine like terms: 156 + -156 = 0
0 + -1x = 0 + -156
-1x = 0 + -156

Combine like terms: 0 + -156 = -156
-1x = -156

Divide each side by '-1'.
x = 156

Simplifying
x = 156