book Maths Puzzle Numerical Ability

simplify: 11(x+1) - 6(x+1) a) 5x+17 b) 11x-17 c)11x-5 d) 5x+5

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book Other Question

if a^x=b is it possible to express x in terms of a & b? If w, x, y, and z are on-negative integers, each less than 3, and w(33) + x(32) + y(3) + z = 34, then w+z=
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4