obeyyjenny123 obeyyjenny123

01-08-2018
Mathematics

contestada

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

Respuesta :

2018bbenzenhafe 2018bbenzenhafe

01-08-2018

5a-10(3)=45

5a-30=45

5a=75

a=15

Answer Link

amy8450 amy8450

01-08-2018

5a - 10(3)= 45
5a - 30 = 45
Add 30 to both sides of the equal sign to cancel out the thirty on the left
5a= 75
divide 5a and 75 by 5
a = 15

Answer Link

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