Answer:
3x - 13 +58 = 90, so 3x +45 = 90
Then 3x = 90 - 45 = 45 and x= 45/3 = 15.
m∠MNQ = 3x-13 = 3(15) - 13
= 45-13
= 32
Answer: 88 years
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
3x + 7 - x + 2 combine like terms
3x - x + 7 + 2
2x + 9
Option A
Answer:
(4 , 12)
Step-by-step explanation:
let's call the number x the other number will be x/3
x + x/3 = 16
4x/3 = 16
4x = 48
x = 12