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Mathematics
Ronald
10 June, 10:02
1) 4x + 3y = - 8
-8x + y = - 12
+4
Answers (
1
)
Frankie Young
10 June, 13:48
0
x = 1, y = - 4
Step-by-step explanation:
4x + 3y = - 8
-8x + y = - 12
x - - 8-3y/4
-8 x 8-3y/4 + y = - 12
y = - 4
Substitute y = -4 to find x = -8 - 3y/4
substitute 4 for y
-8-3 (-4) / 4
-8+12/4 = 4/4 = 1
=1
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