24*55 + 39*40 = 1320 + 1560 = 2880
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.