exam Maths Puzzle Numerical Ability

Can someone help me on this problem?

I need to solve: -6(x + 3) -10 = 3(-2x -5) -13

Thanks, Lisa

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exam Other Question

find the range of each relation for the given domain:
relation domain
y=/x/ {-3, -2, -1, 0, 1} If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z?

(A) 2k + z/3
(B) 2k +z/2
(C) k+z/3
(D) k+z/2
(E) 2(k+z)/3