SOLUTION: How do I solve an equation with multiple variables on each side? Specific problem is: -20+2k=k-4k. Thanks

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Question 351623: How do I solve an equation with multiple variables on each side? Specific problem is: -20+2k=k-4k.
Thanks
Found 2 solutions by solver91311, rfer:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Collect like terms.

Add and in the RHS. Then add the opposite of that sum to both sides, collecting terms as you go. Add the opposite of 20 to both sides. Divide by the coefficient on the consolidated term.


John

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Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
combine like terms watching the signs very closely
-20+2k=-3k
5k=20
k=4