12r-15=21
You asked:
Solve the equation \(12 r - 15 = 21\) for the variable \(r\).
MathBot Answer:
The solution is: \[r = 3\]
\[\begin{aligned}12 r - 15 &= 21\\12 r &= 36\\r &= 3\end{aligned}\]
12r-15=21
You asked:
MathBot Answer:
The solution is: \[r = 3\]
\[\begin{aligned}12 r - 15 &= 21\\12 r &= 36\\r &= 3\end{aligned}\]