exam Maths Puzzle Numerical Ability

Solve system by elimination
1/2x+3/4y=10
2x-y=8

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exam Other Question

Let S = the solution set for x² = 16.
and T=the solution set for x+2 = 16.
List the elements of each set.
a.S Ç</font> T b. S È</font> T
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