SOLUTION: Please hemp me solve this equation. Solve this linear system by substitution find the expression of RB in terms of TD: TD+RB=5000 0.06(TD) + 0.07(RB)=230

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Please hemp me solve this equation. Solve this linear system by substitution find the expression of RB in terms of TD: TD+RB=5000 0.06(TD) + 0.07(RB)=230       Log On


   

Question 1176556: Please hemp me solve this equation. Solve this linear system by substitution find the expression of RB in terms of TD: TD+RB=5000
0.06(TD) + 0.07(RB)=230

Answer by Solver92311(821) About Me  (Show Source):
You can put this solution on YOUR website!


Add -RB to both sides of the first equation, then replace TD in the second equation with the RHS of the first equation. Solve for RB.


John

My calculator said it, I believe it, that settles it

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