Q: If a equals 3 and bequals minus 5 then a minus b equals?

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12

(t-7)/w = (-3-7)/-2 = -10/-2 = +5 ( minus over minus = plus)

3x2 - 2x - 5 = (3x - 5)(x + 1) = 0 gives a solution of x = 5/3 or -1. Was that what you wanted?

In order to answer, we must know what bequals.

10 - 5 = 5

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12

3 fifteenths minus 5 fifteenths equals minus 2 fifteenths.

-2

5 - (-3) = -8

3 - 5 = -2

5 tenths minus 3 hundredths equals 0.47.

-3 minus -2 is -1.

The answer is "FALSE".

8

3 - x = 8x = 3 - 8x = - 5

you do 3 plus 5 first then you get 8 you have to find out what minus 7 equals 8