(12+3)2+4=x

Solution for (12+3)2+4=x equation:

Simplifying
(12 + 3) * 2 + 4 = x

Combine like terms: 12 + 3 = 15
(15) * 2 + 4 = x

Multiply 15 * 2
30 + 4 = x

Combine like terms: 30 + 4 = 34
34 = x

Solving
34 = 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.
34 + -1x = x + -1x

Combine like terms: x + -1x = 0
34 + -1x = 0

Add '-34' to each side of the equation.
34 + -34 + -1x = 0 + -34

Combine like terms: 34 + -34 = 0
0 + -1x = 0 + -34
-1x = 0 + -34

Combine like terms: 0 + -34 = -34
-1x = -34

Divide each side by '-1'.
x = 34

Simplifying
x = 34