Question

1 resolva em real as equaçoes a seguir b)4x-10=2x+2
c)3(x-2)=2x-4
d)2(x-1)=3x+4
e)9x+9+3x=15
​

Answer 1

Resposta:

B) 4x -10 = 2x +2

4x -2x = 2 +10

2x=12

x = 6

C) 3(x-2)=2x-4

3x-6=2x-4

3x-2x= -4+6

x=2

D) 2(x-1)=3x+4

2x-2=3x+4

2x-3x=4+2

-x=6

x= -6

E) 9x+9+3x=15

12x+9=15

12x=15-9

12x=6

x= 1/2

Espero ter ajudado :)