Answer:
let y=the inner missing angle
y+x+31=180
y+(2x-8)=180
and combine the two
2x-8-x-31=0
x=39
Step-by-step explanation:
Answer:
Step-by-step explanation:
-(m - 6) = 3m + 14
-m + 6 = 3m +14
Subtract 6 from both the sides
-m + 6 - 6 = 3m + 14 - 6
-m = 3m + 8
Subtract 3m from both the sides.
-m - 3m = 3m + 8 - 3m
-4m = 8
Divide by (-4)
-4m/-4 = 8/-4
m = -2
Answer:
510,000
Step-by-step explanation:
scientific form is what it was in
Answer:
Step-by-step explanation:
grouping like terms
2a-3a+10b+5b-c+c
-a+15b