Question
Here's some other stuff we never learned in class:
7e-2=47 e=_____ 1/3g=8 g=_____ 5b+1=46 b=______
I don't know how to work them! Please explain as well.
7e-2=47 e=_____ 1/3g=8 g=_____ 5b+1=46 b=______
I don't know how to work them! Please explain as well.
Answers
Ms. Sue
I'll do the first one.
7e-2=47
You need to get the knowns on one side and the unknowns on the other side.
Add 2 to both sides of the equation.
7e = 47 + 2
7e = 49
Divide both sides by 7.
e = 49/7
r = 7
Please follow the above directions and post what you think are the answers for the other two problems. I'll be glad to check them.
7e-2=47
You need to get the knowns on one side and the unknowns on the other side.
Add 2 to both sides of the equation.
7e = 47 + 2
7e = 49
Divide both sides by 7.
e = 49/7
r = 7
Please follow the above directions and post what you think are the answers for the other two problems. I'll be glad to check them.
Candy Corn
So e=7? (I know, e and r are next to eachother!)
Ms. Sue
Oops -- I have a typo. e = 7
Sorry.
Sorry.
Candy Corn
9. 5b+1=46
46+1=47
47/
And then I get stuck. All the problems are different so do the same rules apply?
46+1=47
47/
And then I get stuck. All the problems are different so do the same rules apply?
Ms. Sue
Subtract 1 from both sides.
5b = 45
5b = 45
Candy Corn
46-1=45
45/5=9
b=9?
P.S My great grandma got home safely
45/5=9
b=9?
P.S My great grandma got home safely
Ms. Sue
You're right. And I'm glad your great grandma is o.k. :-)
Candy Corn
What about 1/3g=8?
Ms. Sue
1/3g=8
g = 8 / (1/3)
g = 8 * (3/1)
g = 24
g = 8 / (1/3)
g = 8 * (3/1)
g = 24