Question

resolva as equações de 1º grau a) -9x+23=-58
b) 3x-2+5-x=0 c) -2x+2+3x=4+3x=
d) 2/3+ x/2 - 5=x/3 +1

Answer 1

a) -9x=-58-23
x=-81/-9
x=9

b)2x+3=0
x= -3/2

c)x+2=4+3x
2x=-2
x=-1

d) 4/6+3x/6-30/6=2x/6+6/6
4+3x-30=2x+6
x=30+6-4
x=32