Question

rewrite the expression whithout using grouping symbols 7(x-19)

Answer 1

hint: use the distributive property

know where to start?

Answer 2

lol i dont realy no how

Answer 3

hint:

A(B-C) = A*B - A*C

follow the pattern

7(x-19) = ?

Answer 4

is it 7x-7 times 19

Answer 5

nope not quite

Answer 6

7x minus 19

Answer 7

again, not quite...

Answer 8

A matches up with 7, and B matches up with x, and C matches up with 19

so what is A*B - A*C?

Answer 9

7x minus 19

Answer 10

nope...

Answer 11

A = 7
B = x
C = 19

what is A*B - A*C?

Answer 12

12

Answer 13

nope...

Answer 14

A = 7
B = x

what is A*B?

Answer 15

i dont no lol

Answer 16

think carefully...

A is 7
B is x

what is A times B?

Answer 17

just multiply A and B together.......

Answer 18

what does x equal

Answer 19

x is an unknown

Answer 20

since A is 7, and B is x, A times B is 7x, with me so far?

Answer 21

oh

Answer 22

26

Answer 23

let me type that again

Answer 24

A = 7
C = 19

what is A*C?

Answer 25

what does the star stand for

Answer 26

* means multiply

Answer 27

oh

Answer 28

133

Answer 29

good.

so if A*B = 7x
and A*C = 133

then what is A*B - A*C?

Answer 30

126