Question

solve the following equation
1. 18-3x=9
2. 3(x-1)=18​

Answer 1

Answer:

1) 18-3x = 9

-3x = 9-18

-3x= -9

x= -9/-3

x = 3

2) 3(x-1) = 18

3x-3 = 18

3x = 18+3

3x = 21

x = 21/3

x = 7

Answer 2

1. 18-3x=9

15x=9

x=15/9

1.6666666667

2.3(x-1)=18

18/3 =x-1

6=x-1

x=5

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