Question

Which expressions are equivalent to 4(4x + 2y + x − y)?

4(5x + 3y) and 20x + 12y

4(5x + y) and 20x + 4y

4(3x + y) and 12x + 4y

4(3x + 3y) and 12x + 12y

Answer 1

simplify like terms inside the parenthesis

Answer 2

Welcome to Openstudy!!!

Answer 3

is it D?

Answer 4

focus on just 4x + 2y + x − y for now

Answer 5

do you see any like terms?

Answer 6

yes

Answer 7

list me one pair of like terms please

Answer 8

4x

Answer 9

4x and what else?

Answer 10

2y

Answer 11

like terms are terms with the same variable

for example, 4x and x are like terms

Answer 12

4x plus x = ????

Answer 13

oh its A!?

Answer 14

you're getting closer, but no

Answer 15

what is 2y - y equal to?

Answer 16

y

Answer 17

yes

Answer 18

so 4x + 2y + x − y simplifies to 5x+y

Answer 19

since
4x+x = 5x
2y-y = 1y = y