120=4*10^-4(R+10*10^3)
You asked:
Solve the equation \(120 = 4 \cdot {10}^{-4} \left(R + 10 \cdot {10}^{3}\right)\) for the variable \(R\).
MathBot Answer:
The solution is: \[R = 290000\]
\[\begin{aligned}120 &= \frac{R}{2500} + 4\\- \frac{R}{2500} &= -116\\R &= 290000\end{aligned}\]