Math, asked by mariannajones23, 4 months ago

5 a minus 10 b equals 45, when b equals 3?

Answers

Answered by learningmaths100
2

Step-by-step explanation:

5a - 10b = 45

since, b = 3 put value of b in the equation

it will be like this,

5a - 10(3) = 45

5a - 30 = 45

5a = 75 [ 45 + 30 ]

a = 15

hope it will help you

Regards !!

Answered by nginafaith647
1

Answer:

ans =15

Step-by-step explanation:

5a - 10b =45

when b =3

substitute 3 to the value of b

5a - 10(3) =45

5a - 30 = 45

5a = 45 + 30

5a = 75

5a/5 = 75/5

a = 15

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