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

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-8

12

3 fifteenths minus 5 fifteenths equals minus 2 fifteenths.

5 - (-3) = -8

-2

3 - 5 = -2

8

5 tenths minus 3 hundredths equals 0.47.

The answer is "FALSE".

No, it equals -7f.

5/9 minus 2/3 equals -1/9

488 minus 5 equals 483.

(7+5) - (8-3) = 7proof:-(12) - (5) = 7

x = 13

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

Take 8 minus 3 and that equals 5. Just act like the percent symbol isn't there.

x2-2x-10-5 = 0 x2-2x-15 = 0 (x+3)(x-5) = 0 x = -3 or x = 5

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

8

2-5=-3

minus 5

Slope = 5/3 = 1.66...

If you mean: x/3 -1 = 5 then x = 18

Commutative, not communtative The mathematical property of being able to change the order of the numbers and not change the answer. A plus B equals B plus A (1 plus 3 equals 4, 3 plus 1 equals 4) A times B equals B times A (2 times 5 equals 10, 5 times 2 equals 10) Addition and multiplication are commutative operators A minus B is not necessarily equal to B minus A (6 minus 4 equals 2, 4 minus 6 equals minus 2) A divided B is not necessarily equal to B divided A (9 divided by 3 equals 3, 3 divided by 9 equals one-third) Subtraction and division are not commutative operators

That would be written: 5 - (-3) equals 8. Remember a negative negative is a plus, so your equation becomes 5 + 3 equals 8.