Question

9(3x - 7) = 18 ayuda xfavor ​

Answer 1

9(3x - 7) = 18

27x - 63 = 18

27x = 18 + 63

27x =  81

x = 81/27

x= 9/3

x = 3

Answer 2

x=3

Explicación paso a paso:

$9(3x - 7) = 18 \\ 27x - 63 = 18 \\ 27x = 18 + 63 \\ 27x = 81 \\ x = 81 \div 27 \\ x = 3$

verificamos:

$27x(3) - 63 = 18 \\ 81 - 63 = 18 \\ 18 = 18$