Question

solve the following equation and answer (i)3 (x+7) =18 (ii) 2(x - 1) = x +2​

Answer 1

1. 3(x+7)=18

= 3x+21=18

=3x=18-21

=3x=-3

=X=-3/3

=X=-1

2. 2(x-1)=x+2

2x-2=x+2

2x-x=2+2

x=4

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Answer 2

3(x+7)=18

3x+21=18

3x=18-21

3x=-3

x=-3/3

x=-1

2(x - 1)= x+2

2x-2=x+2

2x-x=2+2

x=4