Question

solve with substitution method s-t=3,s/3+ t/2=6​

Answer 1

Answer:

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Answer 2

Answer:

s-t=3

s=3+t........ (1)

s/3+t/2=6

2s+3t/6=6

2s+3t=6*6

2s+3t=36

2(3+t) +3t=36

6+2t+3t=36

5t=36-6

5t=30

t=30/5

t=6

putting the Value of t=6 in eq. (1)

s=3+t

s=3+6

s=9