SOLUTION: if you have an equation like 7b - 2a when a=-3 and b=4 do you just say 74-23 or 7x4-2x3

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Question 1088551: if you have an equation like 7b - 2a when a=-3 and b=4 do you just say 74-23 or 7x4-2x3

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!


when and , you just substitute for , and for



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