Answer:
6r+7=13+7r
6r+7=7r+13
6r+7−7r=7r+13−7r
−r+7=13
−r+7−7=13−7
−r=6
=
r=−6
Step-by-step explanation:
:) This is the answer
Solution
−
6
+
7
1
3
2
Subtract
from both sides of the equation
Simplify
4
7r
5
Divide both sides of the equation by the same term
divide 6000 by 3
6000 / 3 = 2000
so he can do 2000 sq ft per hour
900
b = 22
3b-16=50
3b = 66
-12.5 i think
