There is no equation or inequality in the question that can be solved! There is an expression but expressions cannot be solved.
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).
There's nothing to solve, it's simply an expression.
Simplified its 12r+3s
+3
68
12.644
3?
you add the together and get 46
x2+7x+12