Mathematics, 29.08.2019 15:30 lumikuz123

Which of the following could be the first steps toward solving the system,4x+y=30, -12x+2y=20
?
select all that ! select all that
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.

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