Question

$f(x) = \frac{4}{5} x + \frac{7}{2}$
me ajudem nessa equação pfvr?​

Answer 1

Fica : X/ 5+7 / 2=0
(2x)/ 10+35/10=0
(2x + 35)/10=0
(10(2x+35))/10=100
2x + 35= 100
2x + 35=0
2x + (35-35)= -35
2x = -35
(2x)/ 2 =(-35)/2
X= ( -35)/2