Answer:
-22
Step-by-step explanation:
6j-5k=11
5j-6k=22
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5(6j-5k)=5(11)
-6(5j-6k)=-6(22)
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30j-25k=55
-30j+36k=-132
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11k=-77
k=-77/11
k=-7
6j-5(-7)=11
6j+35=11
6j=11-35
6j=-24
j=-24/6
j=-4
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2j+2k=2(-4)+2(-7)=-8-14=-22