begin{aligned} 4 x+y & =1 x+2 y & =9end{aligned}

Question

begin{aligned} 4 x+y & =1  x+2 y & =9end{aligned}

Accepted Answer

Step:1 ：We have a system of linear equations: (4x + y = 1) and (x + 2y = 9)Step:2 ：First, we solve the first equation for y: (y = 1 - 4x)Step:3 ：Then, we substitute y in the second equation with the expression we got from the first equation: (x + 2(1 - 4x) = 9)Step:4 ：Solving this equation gives us the value of x: (x = -1)Step:5 ：Substituting x back into the first equation gives us the value of y: (y = 5)Step:6 ：The solution to the system of equations is (boxed{x = -1, y = 5})

Answer

Step: 1 ：We have a system of linear equations: (4x + y = 1) and (x + 2y = 9)Step: 2 ：First, we solve the first equation for y: (y = 1 - 4x)Step: 3 ：Then, we substitute y in the second equation with the expression we got from the first equation: (x + 2(1 - 4x) = 9)Step: 4 ：Solving this equation gives us the value of x: (x = -1)Step: 5 ：Substituting x back into the first equation gives us the value of y: (y = 5)Step: 6 ：The solution to the system of equations is (boxed{x = -1, y = 5})

$\begin{aligned} 4 x+y & =1 \\ x+2 y & =9\end{aligned}$

Answer

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