Question

la mitad de un numero mas 7 es igual a 10 mas 8

Answer 1

$\frac{x}{2} +7 =10 +8$

$\frac{x}{2} +7 = 18$

$\frac{x}{2} =18 -7$

$\frac{x}{2}=11$

x = 11.2

x = 22

Answer 2

x/2 +7 = 10 + 8
x / 2  =  18 - 7
x/2 =  11
x = 22