Question

4. Solve the following equations and verify your answers
(1) 3 (x + 7) = 18
(ii) 2 (x - 1) = x+2
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Answer 1

1) 3(x+7)=18
3x+21 =18
3x=18-21
3x= -3
x = -1



2) 2(x-1) = x+2
2x-2 =x+2
2x-x = 2+2
x = 4

Answer 2

1) x = -3/3

x = -1

Ans x=-1

2) x= x+ 4 -x

  x = 4

Ans x = 4