Question

if (3b,6)=(a-10,2a+b) then value of a-b is​

Answer 1

a=3b+10 (1)

2a+b=6 (2)

so,

replacing a in equation (2) we get,7b+20=6

or, b= -2

substituting value of bin equation (1),

a=-6+10=-4

hence your answer for a-b is -4+2=-2.

hope it helps

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