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Questions and answers by
Hassan Habeeb
Answers (1)
From the question I think it should be (a+b+3)cm 4a=3b 4a=a+b+3 4a-3b=0 4a-a-b=3 =4a-3b=0_____(1) *3 3a-b=3_______(2) *4 Using elimination mathod 12a-9b=0 12a-4b=12 Minus =-5b=-12 b=-12/-5 b=12/5 To find a substitute b in equation (1) to 12/5 At the end,
