Question

1.resolva as equações do 1 grau.


D)35× = -105


E)9×-2=4×+18


F)4×-18+3×=10


G)7g- 10=y+50


H)2y + 5+ y +7= 18


J)3(×+3)-5=22


Qual e o resultado do 1 grau?


Resposta:

Answer 1

Resposta:

35x=-105

x=_105÷35

x=-3

9x -2=4x+18

9x-4x=18+2

5x=20

x=20÷5

x=4

4x-18+3x=10

4x+3x=10+18

7x=28

x=28÷7

x=4