Question

Solve the system of equations using substitution. y = −2x + 1 4x + 2y = −1

Answer 1

Hello!

Im pretty sure the answer is no solution

Answer 2

`\left \{ {{y=-2x+1} \atop {4x+2y=-1}} \right.\\\\<=> \left \{ {{y=-2x+1} \atop {4x+2(-2x+1)=-1}} \right\\\\<=> \left \{ {{y=-2x+1} \atop {4x-4x+2=-1}} \right. \\\\<=> \left \{ {{y=-2x+1} \atop {2=-1}} \right. .`

=> no solution

Explanation: