TALAXAN TALAXAN

31-07-2018
Mathematics

contestada

weegy solve the system of equations 2x+3y=40 and -2x+2y=20

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Аноним Аноним

31-07-2018

adding the 2 equations eliminates x and gives:-

5y = 60

y = 12

Plug y = 12 into the first equation:-

2x + 3(12) = 40

2x = 40 - 36 = 4 so x = 2

Answer is x = 2 and y = 12.

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