SOLUTION: i need help on this problem: 3x-4y=18 x+3y=-7

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Question 287455: i need help on this problem:
3x-4y=18
x+3y=-7
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
So what type of problem is this? You seemed to think the best category is expressions involving variables.
What is the difference between an expression and an equation?