2[15-(2+10)]=x

Solution for 2[15-(2+10)]=x equation:

Simplifying
2[15 + -1(2 + 10)] = x

Combine like terms: 2 + 10 = 12
2[15 + -1(12)] = x

Multiply -1 * 12
2[15 + -12] = x

Combine like terms: 15 + -12 = 3
2[3] = x

Multiply 2 * 3
6 = x

Solving
6 = 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.
6 + -1x = x + -1x

Combine like terms: x + -1x = 0
6 + -1x = 0

Add '-6' to each side of the equation.
6 + -6 + -1x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = 0 + -6
-1x = 0 + -6

Combine like terms: 0 + -6 = -6
-1x = -6

Divide each side by '-1'.
x = 6

Simplifying
x = 6