exam Maths Puzzle Numerical Ability

solve the system of equations using the substitution mehtod

3x+y=2
2x-y=3

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exam Other Question

if two angles are supplementary and one angle is 3 less than five times the oter angle, find the measure of the two angles.
write an equation and solve it to find the angles.

H find the slope of the passing through the following points:
(2, 0) and (0, -4)

A. 2
B. -2
C. 1/2
D. -1/2

Thank you for any help...