Question

resolva as equações abaixo: c-X/3+3X/9=10​

Answer 1

Resposta:

x= 9+3

x= 12

b) 9+1=4x-2x

10= 2x

x= 10÷2

x=5

c) +9x+7x-4=-10-30

15×=40

×= 40÷15

x= 2.6