Respuesta :
Isolate the x
add 7.9 to both sides
x - 7.9 (+7.9) = 2.23 (+7.9)
x = 2.23 + 7.9
x = 10.13
hope this helps
add 7.9 to both sides
x - 7.9 (+7.9) = 2.23 (+7.9)
x = 2.23 + 7.9
x = 10.13
hope this helps