1212What is the x value of the solution to the system

To solve the system by eliminating y, multiply the first equation, \(2x – y = –5\), by 4 to obtain \(8x – 4y = –20\). Next, add the second equation, \(x + 4y = 11\), to the transformed equation and then solve the resulting equation for \(x\).
\(8x − 4y = −20\)
\(x + 4y = 11\)
\(9x + 0 = −9\)
\(9x = −9\)
\(\frac{\mathrm{9x} }{\mathrm{9}} =\frac{\mathrm{-9} }{\mathrm{9} }\)
\(x = -1\)