No, it is not.
use numbers
If they are not on the same dimension then you cannot do this. They will be different numbers and will not go together.
Subtracting a fraction is the same as adding its negative.
subtracting
adding
It is called algebra. When two quantities are related as long as you do the same operation to both (add, subtract, multiply, or divide) you do not change the relation
there not
use numbers
A: Sure by adding or subtracting from different inputs or scaling with different value of resistors
Subtracting a negative integer is the same as adding its absolute value.
If they are not on the same dimension then you cannot do this. They will be different numbers and will not go together.
Subtracting a fraction is the same as adding its negative.
subtracting
They are different because they both heve negative and positive.
adding
Adding and subtracting polynomials is simply the adding and subtracting of their like terms.
I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.