solve this equation using the addition method 2x+3y=-6 x-3y=-12

please solve this equation using the addition method

2x+3y=-6

x-3y=-12
in Algebra 1 Answers by Level 1 User (120 points)

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1 Answer

line 1: 2x+3y=-6

line 2: x-3y=-12

line1+line2...3x=-18

x=-6

from line 2...3y=x+12=12-6=6, so y=6/3

y=2
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