exam Maths Puzzle Numerical Ability

Rewrite the equation 4x - 6y = -30 as a function of x.

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exam Other Question

Three towns a b c lie in a straight road in the order. The distance from B to C is 6 miles more than twice the distance from A to B. The distance from A to C is 2 miles more than 4 times the distance from A to B. What is the distance from A to b? Simplify by combining like terms

2 sqrt (5x) + 5 sqrt (5x) - sqrt (5x)