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Mathematics
Emerson Page
18 April, 18:55
3x-4y=-24 and x+y=-1
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Francis Green
18 April, 21:58
0
x = - 4, y = 3.
Step-by-step explanation:
3x - 4y = - 24 ... (1).
x + y = - 1 Multiply this equation by - 3:-
-3x - 3y = 3 ... (2)
Adding (1) and (2):
-7y = - 21
y = 3.
Substitute y = 3 in equation (1):
3x - 4 (3) = - 24
3x = - 24 + 12
3x = - 12
x = - 4.
3x - 28 = - 24
3x = 4
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