Question

como resolver 9 (X+1) + 7 ( 3 - X) = 38

Answer 1

Resolver.

9(x + 1) + 7(3 - x) = 38
9x + 9  + 21 - 7x = 38
2x + 30 = 38
2x = 38 - 30
2x = 8
x = 8/2
x = 4

Respuesta.
x = 4

Answer 2

9(x + 1) +7 (3 - x) = 38 9x + 9 + 21 - 7x = 38 2x + 30 = 38 2x = 38 - 30 2x =8 X =4