how do i solve 3a+4b=9 -3a-2b=-3 using elmination

how do i solve 3a+4b=9 -3a-2b=-3 using elmination
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1 Answer

line 1: 3x +4y=9

line 2: -3x -2y=-3  or 3x+2y =3 or x=(3-2y)/3

its kleer, teech want yu tu add the 2 lines

(3x-3x) + (4y-2y)=(9-3)

2y=6

y=3

from line 2...x=(3-2y)/3 =(3-6)/3

x=-3/3 =-1
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