Question

someone help me.. please

Answer 1

with what?

Answer 2

please hlpe

Answer 3

5a + 7c+ 15 = 180
7c + 12 = 3b + 13
5a + 85 = 180

Answer 4

5a = 180-85
5a = 95
a = 19

Answer 5

5a + 7c + 15 = 180
5(19) +7c = 165
95 + 7c = 165
7c = 165-95
7c = 70
c = 10

Answer 6

7c + 12 = 3b + 13
7 (10) +12 = 3b + 13
70 + 12 = 3b + 13
82 - 13 = 3b
69 = 3b
b = 23

Answer 7

let me know if you have questions