3 years ago

What is the value of a in the equation 5a – 10b = 45, when b = 3?

Mathematics

2 answers:

dsp733 years ago

7 0

10 x 3 is 30, 45 - 35 is 15, 15 divided by 3 is 5 so the answer is A=3

LenKa [72]3 years ago

6 0

5a - 10*3 = 45
5a - 30 = 45
5a = 45 + 30
5a = 75
a = 15

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