Question

what is -3(2n 1) 7 = -5

Answer 1

-6n-3+7=-5

combine like terms

-6n+4=-5
      -4   -4  isolation

-6n=-9
divide -6 to both sides

n= -1.5

Answer 2

7 + 2n = 126 - 36n
2n + 36n = 126 - 7
38n = 119
n =