Answer:
%7
Step-by-step explanation:
:D good luck on your quiz
Answer:
If they have the same variable you add or subtract them.
Step-by-step explanation:
Answer:
x=7
Step-by-step explanation:
The tax on the coffee is $0.21
The tax on the muffin is $0.17
Together the tax is $0.38
Hope this helps!
multiply by 8 on both sides
(20)8 - 8(4b/8) = (18)8
160 - 4b = 144
subtract 160 on both sides
160 - 160 - 4b = 144 - 160
-4b = -16
divide by -4 on both sides
-4b/-4 = -16/-4
b = 4
