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Lapatulllka [165]
3 years ago
13

( use elimination) on 3x+5y=12 and x-3y=4

Mathematics
1 answer:
Elena L [17]3 years ago
7 0

Answer:

x=4 y=0

Step-by-step explanation:

3x+5y=12

-(x-3y=4)

3x+5y=12

3(-x+3y=-4)

3x+5y=12

-3x+9y=-12

14y=0

y=0

Then, substitute the y into the equation to find x

x-3(0)=4

x=4

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