Question

determine x e y para que as matrizes sejam iguais, dadas:

Answer 1

$2x-3y=-2 \\ \\ y-2=-1 \\ y=-1+2 \\ \fbox{ y=1 } \\ \\ se~~y=1 \\ substituir~~y~~em: \\ \\ 2x-3y=-2 \\ 2x-3(1)=-2 \\ 2x-3=-2 \\ 2x=-2+3 \\ 2x=1 \\ \\ \fbox{ x= \frac{1}{2} }$