Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

One total and two differences. Solve for $a_{1}$ , $b_{1}$ and $c_{1}$ in terms of $n$ , $p$ and $q$ .

\begin{aligned} a_{1} + b_{1} + c_{1} = n \\ a_{1} - 2 b_{1} = p \\ b_{1} - 5 c_{1} = q \end{aligned}