SOLUTION: The question I have is Solve each equation. Write a justification for each step. 1/2n=3/4 and 1/5(a + 10)= -3

Algebra ->  Geometry-proofs -> SOLUTION: The question I have is Solve each equation. Write a justification for each step. 1/2n=3/4 and 1/5(a + 10)= -3      Log On


   

Question 349509: The question I have is Solve each equation. Write a justification for each step. 1/2n=3/4 and 1/5(a + 10)= -3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%281%2F2%29n=3%2F4
Multiply both sides by 2
2%281%2F2%29n=2%283%2F4%29
highlight%28n=3%2F2%29
.
.
.
%281%2F5%29%28a+%2B+10%29=+-3
Multiply both sides by 5
a%2B10=-15
Subtract 10 from both sides.
a%2B10-10=-15-10
a%2B0=-25
highlight%28a=-25%29