exam Maths Puzzle Numerical Ability

I need to know how to solve & graph this linear equation: x-y=-3

Pleas help!!

Thanks

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exam Other Question

Write the scale w/o units.

31. 1 in.: 9yd

Any help with this equation would be Greatly</b> appreciated. Need help with this. Thanks!

A woman deposits $50,000 in a savings account with 4% continuously compound interest. How many years must she wait until the balance has doubled?