What is the value of the variable that makes the statement true?
a+(-7)+3=0

a. -4
b.-3
c. 4
d.7

A + (-7) + 3 = 0
A + (-4) = 0
A - 4 = 0
A = 4

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8