Answer:
w = 10
Step-by-step explanation:
9(w - 9) -2 = -7 + 7(w -8)
Expand:
9w - 81 - 2 = -7 + 7w - 56
Rearrange:
9w - 7w = -7 - 56 + 81 + 2
2w = 20
w = 10
Additive indentity

n = 1
a variable is always a number itself remember 7+n
5+2 = 7
4(0.5n-3)=n-0.25(12-8n)
2n-12=n-3+2n
2n-12=3n-3
2n-3n=-3+12
-n=9
n = -9
Answer: 139
Step-by-step explanation:
100% + 10% = 110%
110/100 x 126 = 138.6 ≈ 139
hope this helped, if it’s wrong I’m so so so sorry :(
Answer: B false
Step-by-step explanation: