# MATH!

posted by on .

how do you solve these

1. 5-8b+6-2B=61

2. 4x-6-8x-9=21

3. g-9+4g+6=12

4. 2-3f-5+5f=6

• MATH! - ,

5-8b+6-2B=61

Combine like terms:

-8b - 2b = 61 - 5 - 6
-10b = 50
b = -5

• MATH! - ,

for #2 i keep getting the answer -4.5 and i check and its wrong this is what i did

4x-8x=-4x
6-9=-3

-4x--3=21
18=21
x=-4.5

are the steps i did wrong and when i plug in the number i get 3 as an answer instead of 21

• MATH! - ,

and i did the steps u did for all problems and i check and get a wrong answer

• MATH! - ,

As a non-mathematician, I get confused by a lot of numbers, too. <g> But here's the way to do 2.

4x-6-8x-9=21
-4x - 6 - 9 = 21
-4x = 21 + 15
x = -9

The answer for number 3 is 3. Can you keep working this problem until you get the right answer?

• MATH! - ,

#3 was easy and # 4

i keep getting the wrong answer which is 3/8

• MATH! - ,

My answer for 4 is 4.5

• MATH! - ,

When you do the problem or the proof, please be sure you don't leave out any parts of the original problem. (I kept leaving a part of the original problem out until I went back and triple checked.)