3x + 4y=-10
-- 4x + 3y = 3
7x + 7y ...
:: x+y=..
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1
Step-by-step explanation:
x+y=-1
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Answered by
0
Answer:
Step-by-step explanation:
1)3x+4y=-10
4y=-10-3x
y=-10-3x/4
y=15/2x ——(1)
Ans =39
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