50 + 92 = 142.
16
308
-8
405
X=7 y=5
92
5 + 87 = 92
92 + 6 + 17 + 79 + 13 = 207! \(@^0^@)/o(* ̄▽ ̄*)ブヾ(^▽^*)))
It is an equation and the value of c works out as 8
It is an equation and the value of r is 66
207..just search your math questions on google.