Respuesta :

sacevedo2476

Answer:

I think this is the answer

Step-by-step explanation:

.

5

4

+

9

=

3

(

7

+

6

)

219violet
x=3

54+9x=3(7x+6)
distribute 3 through the parentheses

54+9x=21x+18

move the variable and constant
9x-21x=18-54

collect like terms and calculate difference
-12x=18-54
-12x=-36

divide both sides of the equation by -12

x=3