1.

ty6ry +20?6. (a) From the sum of 3r-y+ l and-y- 11, subtract 3r-y-1.

Answer»

Sum of (3x-y+11) +(-y-11) = 3x - 2y

Now subtract (3x - 2y)-(3x-y-11)= - y + 11 ans



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