What is x and y is 6x + 20y = 11.9

What is x and y is 6x + 20y = 11.9 and 2x + 15y = 6.05
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1 Answer

Multiply the second equation by 3: 6x+45y=18.15.

Subtract the first equation:

25y=6.25, y=0.25.

6x+20×0.25=11.9, 6x+5=11.9, 6x=6.9, x=6.9/6=2.3/2=1.15.

So x=1.15 and y=0.25.

by Top Rated User (646k points)

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