Answer:
Step-by-step explanation:
18*7=126
2x+12=18. 2x+12=-18
Subtract 12 from both sides
2x=6. 2x=-30
Divide both sides by 2
X=3. X=-15
Answer:
5:3
Step-by-step explanation:
to simplify this equation we have to find something that both numbers can be divided by
both numbers can be divided by 7
so when we divide the numbers we get
5b = 3c
so basically the ratio is 5:3
Answer:
x = -2 or -12
Step-by-step explanation:
That is the solution above