Answer:
b=7
Step-by-step explanation:
5a(2b – 3a) = 40
Let a=4
5*4(2b-3*4) = 40
20(2b-12) = 40
Divide each side by 20
20/20 (2b-12) = 40/20
2b-12 =2
Add 12 to each side
2b-12+12 = 2+12
2b = 14
Divide by 2
2b/2 = 14/2
b = 7
Answer:
23? mabey
Step-by-step explanation:
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X=2 because 14 divided by 7 is 2 since 7 is equal the number 7
Find the common denominator then convert them both to the common denominator and you will see which one is bigger through there
