100[0.07(x+6)]=

Solution for 100[0.07(x+6)]= equation:

Simplifying
100[0.07(x + 6)] = 0

Reorder the terms:
100[0.07(6 + x)] = 0
100[(6 * 0.07 + x * 0.07)] = 0
100[(0.42 + 0.07x)] = 0
[0.42 * 100 + 0.07x * 100] = 0
[42 + 7x] = 0

Solving
42 + 7x = 0

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 7x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 7x = 0 + -42
7x = 0 + -42

Combine like terms: 0 + -42 = -42
7x = -42

Divide each side by '7'.
x = -6

Simplifying
x = -6