SOLUTION: I need help solving this equation: L=a+(n-1)�d. I need to solve for d. Please can you give an explanation as well? Thanks in advance!

Question 1123336: I need help solving this equation: L=a+(n-1)�d. I need to solve for d. Please can you give an explanation as well? Thanks in advance!
Found 2 solutions by josgarithmetic, math_helper:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

Explanation? Just undo everything that was done to d in the original equation. Do this for both sides of the equation.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!

Subtract a from both sides:

Divide by n-1 on both sides:

Re-writing with d on left hand side:
with the restriction
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