Question

figures.
13. Check whether n = 10 is a solution for -7n + 2 = 30 + 42.
to 212​

Answer 1

Answer:

n= -10

Step-by-step explanation:

-7n+2=30+42

-7n+2=72

-7n=72-2

-7n=70

n=70/-7

n= -10

Answer 2

Answer:

-7×10+2=30+42

-70+2=72

-72=72

=-1