Question

Evaluate: 5 - 3 x when x = - 7

Answer 1

5+-21=-16

Explanation:

you distribute 3 into -7 nd you get -21 then you add 5 to -21 to get -16

Answer 2

Use the substitution method

5-3x

5-3(-7)

Do the bracket first

-3*-7= 21

5+21= 26

Answer : 26