100[0.06(y+7)]=

Solution for 100[0.06(y+7)]= equation:

Simplifying
100[0.06(y + 7)] = 0

Reorder the terms:
100[0.06(7 + y)] = 0
100[(7 * 0.06 + y * 0.06)] = 0
100[(0.42 + 0.06y)] = 0
[0.42 * 100 + 0.06y * 100] = 0
[42 + 6y] = 0

Solving
42 + 6y = 0

Solving for variable 'y'.

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

Add '-42' to each side of the equation.
42 + -42 + 6y = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 6y = 0 + -42
6y = 0 + -42

Combine like terms: 0 + -42 = -42
6y = -42

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

Simplifying
y = -7