100=x+2(3+12x)

Solution for 100=x+2(3+12x) equation:

Simplifying
100 = x + 2(3 + 12x)
100 = x + (3 * 2 + 12x * 2)
100 = x + (6 + 24x)

Reorder the terms:
100 = 6 + x + 24x

Combine like terms: x + 24x = 25x
100 = 6 + 25x

Solving
100 = 6 + 25x

Solving for variable 'x'.

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

Add '-25x' to each side of the equation.
100 + -25x = 6 + 25x + -25x

Combine like terms: 25x + -25x = 0
100 + -25x = 6 + 0
100 + -25x = 6

Add '-100' to each side of the equation.
100 + -100 + -25x = 6 + -100

Combine like terms: 100 + -100 = 0
0 + -25x = 6 + -100
-25x = 6 + -100

Combine like terms: 6 + -100 = -94
-25x = -94

Divide each side by '-25'.
x = 3.76

Simplifying
x = 3.76