3(20+30)=x

Solution for 3(20+30)=x equation:

Simplifying
3(20 + 30) = x

Combine like terms: 20 + 30 = 50
3(50) = x

Multiply 3 * 50
150 = x

Solving
150 = 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.
150 + -1x = x + -1x

Combine like terms: x + -1x = 0
150 + -1x = 0

Add '-150' to each side of the equation.
150 + -150 + -1x = 0 + -150

Combine like terms: 150 + -150 = 0
0 + -1x = 0 + -150
-1x = 0 + -150

Combine like terms: 0 + -150 = -150
-1x = -150

Divide each side by '-1'.
x = 150

Simplifying
x = 150