3xy-4x + 15y-20
Sol:
As there are no number are same. So
-4x-3xy
+15y-20
--------------------
-4x-3xy+15y-20
How do you solve 4y plus x equals 8
Not enough information to solve
If: a = b+c+d Then: c = a-b-d
You cannot solve x plus y since that is an expression, not an equation (nor inequality).
Simplified its 12r+3s
There's nothing to solve, it's simply an expression.
+3
3?
68
12.644
x2+7x+12
There is no rational factorisation to this expression.