Question

Solve each system by eliminati 1) 10x - 4y = 24 7x - 4y= 12​

Answer 1

Explanation:

10x - 4y=24

7x -4y=12 multiply this equation by -1

-7x+4y=-12 we add it to the first and we get

3x=12

x=12/3=4

replace x with 3 in first equation

40-4y=24

40-24=4y

16=4y

y=4, x=4