Answer:
See below
Step-by-step explanation:

I would go to bbc recipes because they have amazing recipes for everything
subtract 3 from both sides to isolate the variable
Z + 3 -3 = -6 -3
Z + 0 = -9
Z = -9
10y+50
Answer:
10(y+5)=10y+50
just
multiplying both by 10.Use distribute property.
Given:
area of square, A = 16 
error in area, dA = 0.03 cm^{2}
Step-by-Step Explanation:
Let 'a' be the side of the square
area of square, A =
(1)
A = 16 = 
Therefore, a = 4 cm
for max tolerable error in length 'da', differentiate eqn (1) w.r.t 'a':
dA = 2a da

da = 
da = 0.0375 cm