166k views
5 votes
Evaluate the expression when b=6 and x=-5
-b+2x


2 Answers

1 vote

Let's solve for b.

x=−5−b+2x

Step 1: Flip the equation.

−b+2x−5=x

Step 2: Add -2x to both sides.

−b+2x−5+−2x=x+−2x

−b−5=−x

Step 3: Add 5 to both sides.

−b−5+5=−x+5

−b=−x+5

Step 4: Divide both sides by -1.

−b

−1

=

−x+5

−1

b=x−5

Answer:

b=x−5

User AssamGuy
by
4.1k points
2 votes

Answer:

If b=6 and x=-5 then the equation would turn into -6-10. The answer is -16. I hope I helped! :P

User Kobi
by
4.5k points