Question

When...
x=3 and y=-2

What is 'a' equal to?

a - 5 * -0.5(7 - 1) + xy

Answer 1

How the hell do I do thissssssssssssssssss- ahhhhhhhhhhh @snowflake0531

Answer 2

Can you post a screenshot of your question?

An equal sign or something is missing

Answer 3

Oops. xD It's "a = 5..." not "a - 5..."

Answer 4

Then just plug the values of x and y in-

Answer 5

so

a = 5 * -0.5(7 - 1) + xy

Answer 6

it has an xy

x is 3
y is 2

so xy is 3 * 2

which equals what?

Answer 7

-6

becuase it's -2

Answer 8

oh yeah, oops missed that so now we have

a = 5 * -0.5(7 - 1) - 6

can you distribute the -0.5 into the parenthesis?

Answer 9

well actually, what is 7 - 1

Answer 10

6

Answer 11

so we have
a = 5 * -0.5(6) - 6

what is -0.5 * 6 =

Answer 12

3?

Answer 13

add the negative sign

Answer 14

so -3

Answer 15

So now it's

a = 5 * -3 - 6?

Answer 16

yes and we have to do multiplication first because PEMDAS

so what is 5 * -3 =

Answer 17

-15? 15?

Answer 18

you don't know your signs._.

Answer 19

negative number times a positive number is a negative number

Answer 20

Oh okay. Yeah, I do not know my signs very well.

Answer 21

so positive 5 times negative 3

is going to be a negative number

Answer 22

-15

Answer 23

and finally

-15 - 6 =

Answer 24

... -21??

Answer 25

you got it

Answer 26

Thank you, both of you.

Answer 27

You're welcome!