exam Maths Puzzle Numerical Ability

Solve by elimination:

2x + 3y = 21
5x - 2y = -14

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exam Other Question

A pair of jeans costs $35.98 before taxes. If the tax rate is 8.5%, what is the price of the jeans after taxes? -11(3/2)(.12(-12))=

4(-2(2Squared))+8(-2)+3(-2)+6=