queen582
09.07.2019 •
Mathematics
Use substitution to solve for k. j+2k= -4 3j-4k= 3
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Ответ:
j=-4-2k (1)
3j-4k=3 (2)
Substitue (1) in (2)
3(-4-2k)-4k=3
-12-6k-4k=3
-10k=3+12
k=-15/10 (3)
Substitue (3) in (1)
j=-4-2(-15/10)
j=-1
Final answers j = -1 and k = -15/10
Ответ:
75.112 is the answer
..