Question

3(n-5)=-21 maths simple equations

Answer 1

Answer:

3(n-5)=-21

3n-15= (-21)

3n= (-21)+15

3n= (-6)

n= (-6/3 )

n= (-2)

Checking

3(-2-5)= (-21)

3(-7 )=(-21)

-21=(-21)

LHS = RHS

hence, verified

Answer 2

3n - 15 = - 21

3n = -21 + 15

n = - 6/3

n = -2