3(r-1)+2(3r+5)
You asked:
Evaluate the expression: \(3 \cdot \left(r - 1\right) + 2 \cdot \left(3 r + 5\right)\)
MathBot Answer:
Evaluated
\(\displaystyle 3 \cdot \left(r - 1\right) + 2 \cdot \left(3 r + 5\right) = 9 r + 7 \)
Expanded
\[3 \cdot \left(r - 1\right) + 2 \cdot \left(3 r + 5\right) = 9 r + 7\]