2a. (a, b and c are all equal.)
They all equal each other. a = b = c = d = e e = a e = b e = c e = d e = e
2
It equals b times c.
the answer is a
2a. (a, b and c are all equal.)
They all equal each other. a = b = c = d = e e = a e = b e = c e = d e = e
a=24 b=16 c=18
A+c= 2a+b
2
Because there is no way to define the divisors, the equations cannot be evaluated.
It equals b times c.
the answer is a
No. Suppose A = {1,2}, B = {1,2,3,4,5,6} and C = {1,2,3,5,7,11}. The intersection of A with B is {1,2}, the intersection of A with C is also {1,2}, but B is not equal to C.
a = b changes the value of a and makes it the same as the value of b. a == b does not change the values of a or b. It is an expression that is equal to 1 if a and b are the same or to 0 if a and b are different. For example: if ( a == b) { c = d;} means if a and b are the same, then set c equal to d. C does let you write the following: if ( a = b) { c = d;} This sets a equal to the value of b, and then if the new value of a is non-zero, it sets c equal to d. You can do this, but if you see a single equal sign in an "if" condition, that usually (but not always) is a mistake.
When b is zero.
to solve ab=c+a for a:Divide both sides by b, so:a= (c+a)/b