(-23)=(-20)+3d

Solution for (-23)=(-20)+3d equation:

(-23)=(-20)+3d

We move all terms to the left:

(-23)-((-20)+3d)=0

We add all the numbers together, and all the variables

-((-20)+3d)-23=0


We calculate terms in parentheses: -((-20)+3d), so:

(-20)+3d

determiningTheFunctionDomain
3d+(-20)

We add all the numbers together, and all the variables

3d-20

Back to the equation:

-(3d-20)


We get rid of parentheses

-3d+20-23=0

We add all the numbers together, and all the variables

-3d-3=0

We move all terms containing d to the left, all other terms to the right

-3d=3

d=3/-3

d=-1