Question

15n + 16 + 4n = 130
x= 19.12, right?

Answer 1

the answer should be 10.36 (rounded)

Answer 2

how did you get that

Answer 3

the answer is 6

Answer 4

..... *confused*

Answer 5

15n + 4n = 130 - 16
19n = 114
n = 114/19
n = 6

Answer 6

15n + 16 + 4n = 130

19n + 16 = 130

19n + 16-16 = 130-16 ... Subtract 16 from both sides.

19n + 0 = 114

19n = 114

19n/19 = 114/19 ... Divide both sides by 19 to isolate n.

1n/1 = 6

1n = 6

n = 6