Respuesta :

h/2+7= 10

Move +7 to the other side

Sign changes from +7 to -7

h/2+7-7= 10-7

h/2= 3

Mutiply both sides by 2/1

h/2(2/1)= 3(2/1)

3*2= 6/1= 6

h= 6

Answer: h= 6