Question

como seresolve essa equação -3(x-5)-2(2x+1)=-8

Answer 1

-3.(x-5)-2.(2x+1)=-8
-3x+15-2.(2x+1)=-8
-3x+15-4x-2=-8
-7x+13=-8
-7x=-8-13
-7x=-21 .(-1)
7x=21
x= $\frac{21}{7}$
x= 3

Answer 2

Ola Josinei

-3*(x - 5) - 2*(2x + 1) = -8 

-3x + 15 - 4x - 2 = -8

-7x = -8 - 15 + 2 

-7x = -21 

7x = 21

x = 21/7 = 3