sanny123
sanny123 sanny123
  • 20-03-2016
  • Mathematics
contestada

4x+3y=47.50
7x+1y=47.00
How do you do the substitution?

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kiyatynes12
kiyatynes12 kiyatynes12
  • 20-03-2016
Well, the only thing you have to do is use like terms. As you can see, you have 4x and 7x. These two are like terms because they both have the same variable. Just like 3y and 1y. 
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