Question

resolva as equações de primeiro grau abaix:

a) x+5=9 b)9x-2=4x+18 c)4x-18=10-3x d)7x-1=5x+7 e)2x-2=12-5x f)33+x=5-3x ​

Answer 1

Resposta:

a) x=4

b) x=4

c) x=4

d) x=4

e) x=2

f) x= -7