3m+4=1
subtract 4 on both sides
3m=-3
divide both sides by 3
m=-1
Answer:
it might be 8-9.5 correct me if i am wrong
Step-by-step explanation:
Let x = Barbie's number
1/3 x -20 = 72
1/3 x = 92
x = 92*3=276
Answer:
2
Step-by-step explanation:
y1-y2/x1-x2