Question

1pt 5n + 3 = -2(1–7n)
1 pt

Answer 1

n = 2/5

Explanation:

Firstly simplify the bracket;

-2(1 - 7n) = -2 + 7n

then go back to the question and find the value of n

; 5n + 3 = -2 + 7n

; 3 + 2 = 7n - 5n

; 5 = 2n....then divide both sides by 2

; n = 2/5