Question

x + 3x + 7x - 9 + 7x - = 180. Somebody please help!

Answer 1

find x?

Answer 2

Explain it and yes.

Answer 3

what is the - after the 2nd 7x

Answer 4

- 9 + 7x

Answer 5

18x=189

Answer 6

Ok can you explain it step by step?

Answer 7

7x+7x+3x+x = 18x
combine like terms

Answer 8

so now you have 18x - 9 = 180

Answer 9

add 9 to both sides then you get 18x = 189
then divide by 18 on both sides

Answer 10

Ok then my answer should be 189 right?

Answer 11

no it would be 189/18
a decimal

Answer 12

189.18?

Answer 13

no divide 189 by 18

Answer 14

10.5?

Answer 15

yes

Answer 16

Ok thanks (: