Question

x + 2y = 5
3x + 5y = 14
Solve the system of equations.

how do i solve for this?

Answer 1

times the top equation by 3 and minus the two equations

Answer 2

Then plug in the x value in the first equation, and solve.

Answer 3

thanks!

Answer 4

No problem :)

Answer 5

\[\begin{bmatrix}
1 & 2 & 5\\
3 & 5 & 14
\end{bmatrix}=\begin{bmatrix}
1 & 0 & 3\\
0 & 1 & 1
\end{bmatrix}\implies x=3\text{ and }y=1\]