Question

Which of the following could be the first steps toward solving the system,4x+y=30, -12x+2y=20

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Select all that apply!!!!! Select all that apply!!!!
a)Multiply the second equation by 2 and then add.
b)Multiply the first equation by 2 and then subtract.
c)Divide the second equation by 2 and then subtract.
d)Multiply the second equation by 3 and then subtract.

Answer 1

          hello hers is a solution :                         

Answer 2

b is the correct statement to start with. It will eliminates y.