Question

5+x=8 helpppppppppppp

Answer 1

so all we have to find out is what must we add to 5 to get 8.An easy way to solve this is to subtract 8-5.
8-5=3.
5+3=8.
Hence the value of X is 3

Answer 2

group like terms
5+x=8
x=8-5
x=3