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Lady
Mathematics
6 May, 09:29
1) 3 х + 8 y = 30
бx + 7y = 6
+3
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Tori Hubbard
6 May, 09:50
0
Multiply the first equation my 2 and than subtract the two equations to eliminate x
6x+16y=60-
6x+7y=6
9y=54
Y=6
Then plug in y to one of the equations
6x+7 (6) = 6
6x+42=6
6x=-36
X=-6
X=-6 Y=6
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