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if x = -2 &y= -1 is a solution of the equation mx+2y=15 . find the value of m .
Answers
Answered by
1
mx+2y = 15
=) -2m-2 = 15
=) -2m = 15+2
=) -2m = 17
=) -m = 17/2
=) m = -17/2 = -8½
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Answered by
0
Answer:
8.5
Step-by-step explanation:
mx+2y=15
=m(-2)+2(-1)=15
= -2m+(-2)=15
= -2m-2=15
= -2m=15+2
=m=17/2
=m=8.5
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