3=(-4/5)(-5)+b

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Solution for 3=(-4/5)(-5)+b equation:



3=(-4/5)(-5)+b
We move all terms to the left:
3-((-4/5)(-5)+b)=0
Domain of the equation: 5)(-5)+b)!=0
b∈R
We multiply parentheses ..
-(4+b)+3=0
We add all the numbers together, and all the variables
-(b+4)+3=0
We get rid of parentheses
-b-4+3=0
We add all the numbers together, and all the variables
-1b-1=0
We move all terms containing b to the left, all other terms to the right
-b=1
b=1/-1
b=-1

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