5 a minus 10 b equals 45, when b equals 3?
Answers
Answered by
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
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Answered by
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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