Question

resolva as equecoes a) 2x-72=0 b) x=99-10x c) -64+44x=0 d) 0,15x=0,6

Answer 1

Olá

Vamos lá,

a) 2x-72=0
2x=72
x=72/2
x=36


b) x=99-10x
x+10x=99
11x=99
x=99/11
x9

c) -64+44x=0
44x=64
x=64/44
x=16/11

d) 0,15x=0,6
x=0,6/0,15
x=4

Bons estudos, dúvidas só chamar !!! :>))