4p+5-7p=-1

Question

Its a multi step equation i just learned it just yesterday

Answer 1

I believe what you are asking is solve for the variable "p".

 

4p+5-7p=-1........given equation

    -3p+5=-1........combine like terms

 -3p+5-5=-1-5.....subtract 5 from both sides

        -3p=-6........simplify

        ∴ p=2.........divide both sides by -3

 

Now let's check our solution by substituting "p=2" into the 

original equation

4(2)+5-7(2)=-1

       8+5-14=-1

         13-14=-1

               -1=-1..........√check, our solution is correct

 

Always check your work!

          

Answer 2

First step is to combine like terms. On the left side of the equal sign we have two terms with a p variable.

 

So we can subtract 4p-7p=-3p

 

now we have -3p+5=-1. 

 

Next we we need to move the 5 over to the right side of the equation. We can do this by subtracting 5 from each side. 

 

-3p=-6

 

To get p by itself we need to undo multiplication through division. So we divide each side by -3. 

 

P=-6/-3

 

p=2

Answer 3

4p+5-7p=-1

combine like terms

4p-7p=-3p

-3p+5=-1

undo addition and subtraction first and then undo multiplication and division last

-3p+5-5=-1-5

-3p=-6

-3p/-3=-6/-3

p=2

check: 4(2)+5-7(2)=-1

           8+5-14=-1

           13-14=-1

                 -1=-1