Question

Help please =)

7r – 7 = 2r + 18
A) r = –5
B) r = 5
C) r = 2.2
D) r = 1.2

Help please =)!

Answer 1

do you know the distrubutive property

Answer 2

The Distributive Property lets you multiply a sum by multiplying each addend separately and then add the products. The Distributive Property helps with mental math and should be taught to children as a method to multiply much quicker in their heads. Children need lots of experience using the Distributive Property. Children make greater 'connections' with the ability to use the distributive propertly for mental math. For instance:

Answer 3

okay well you need to combine like terms

Answer 4

B) r=5

Answer 5

Collect the Like terms