hi I need help with maths . It's grade 7 , chap 5 Ex 5.1 ministry of education . MATHS I don't understand anything. ​

for the first question it would be the second answer for the second question it would be the third answer and for the third question it would be the first answer

step-by-step explanation:

really really sorry if i'm

-12 -5(x + 4) = 3x

-12 - 5x - 20 = 3x

-12 - 20 - 5x = 3x

-32 - 5x = 3x

    + 5x   + 5x

-32 = 8x

8         8

- 4= x

answer is a.

13.268

hope you get it right.