Answer:
x=-1/2
Step-by-step explanation:
add 2 to both sides
3x=x-1
subtract x from both sides
2x=-1
divide by 2
x=-1/2
Answer:
14.3 feet
Step-by-step explanation:
See attached photo for work...
Answer:
b. 20%
Step-by-step explanation:
20% is the am mount of increase
Answer:
34
Step-by-step explanation:
13-(-21) = 13 + 21 = 34
Answer:
3
Step-by-step explanation:
-m+8=4m-7
8=4m-(-m)-7
8=4m+m-7
8=5m-7
5m=8+7
5m=15
m=15/5
m=3