Question

01.Calcule as equaçoes do 1° grau.
a)5+×=8
b)3×-12=7+×
c)4+2×=11+3×
d)5×-20=0

Me ajudem PFV

Answer 1

a) X= 8-5    X=3

b) 3x-x = 12+ 7   2x= 19    x=  9,5

c) 3x-2x = 11-4    x=9

d)5x= 20    x= 4