Answer:
Step-by-step explanation
Answer - its not 7. 50 it 6.00
Step-by-step explanation:
i just solved it, believe me its 6.00
1) -8(9n-10) - 20
-72n + 80 - 20
-7n + 60
Can't factor
2) 90n+54
18(5n+3)
3) -72n+60
-12(6n-5)
4) -17n - 80
5) -160n
x=1 and y=-3
hope this helped :)
explain more
is it timetable just wanna know an i help