exam Maths Puzzle Numerical Ability

Solve.

5x - 6 = 4x

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exam Other Question

p2 + 3p + 2 = 3/2 + 3p - 3
___________
p + 1

If I get the answer I know when my boyfriend will propose! In the right triangle ABC(C= 90 deg.) a and c are labeled. Cos B = .4 and a=3 find c (hypot.)?