Question

Solve for R
2r+5=3.5r+2

Answer 1

Okay, well this is just like any other equation. So lets get the 'r' variable to one side of the equation. If I were you I would keep the 'r' variable positive.

Answer 2

So what will you subtract first.. 2r or 3.5r?

Answer 3

@tutu show me what you will subtract.

Answer 4

Umm,the 3.5??

Answer 5

Why that? It will make a negative number. Lets go with the 2.

Answer 6

2r+5=3.5r+2
-2r -2r
------------
5=3.5r+2

Answer 7

So now show me the next step.

Answer 8

Ummm -2 on both sides?

Answer 9

Good so we have...
3=1.5r

Answer 10

r = ?

Answer 11

Yeah then divide and you get 0.5

Answer 12

No.
1.5 + 1.5 = 3
or
1.5 * 2 = 3

Answer 13

So what does r = ?

Answer 14

@tutu do you understand?

Answer 15

\[2r+5=3.5r+2\]
\[5=1.5r+2\]
\[3=1.5r\]
\[2=r\]

Answer 16

Now I do