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mars1129 [50]
2 years ago
15

HELP!! Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are add

ed together, the y term is eliminated?
1/4x - 1/6y =5

4/5x + 3/8y =10


a. 18 times the first equation and 8 times the second equation
b. –18 times the first equation and 8 times the second equation
c. 8 times the first equation and 6 times the second equation
d. –8 times the first equation and 6 times the second equation
Mathematics
1 answer:
vekshin12 years ago
4 0
1/4*x -  1/6*y= 5    |*18    
4/5 *x + 3/8*y = 10 | *8

18/4*x                  -3*y= 90
32/5*x                + 3y   = 80
-------------------------
18/4*x+32/5*x   /       = 170

The answer is a





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