Question

Question 1.
x=a, then which of the following is not always true for an integer k
mcq-
1-kx=ak
2-x-k=
Answer​

Answer 1

x  = a

lets multiply both sides by k

=> kx  = ka

=> kx = ak

x  = a

Let divide by k both sides

=> x/k  = a/k

x = a

lets add k both sides

=> x + k = a + k

x = a

let subtract k bith sides

=> x - k  = a - k

so all are true...

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