13&14 questions solutions please
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10(2k-1)-9k=12
20k-10-9k=12
11k=22
k=2
20k-10-9k=12
11k=22
k=2
Sudha11111:
and 14
2 is the right answer
4 is right answer
2 is the right answer
u replace k by 2 and put the value for x and y in the equation
x=4-1=3
y=2
now 10*3-9*2=18
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only 14 question ... please mark it as brainliest answer if u find it useful
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