Question

Помогите ! Решите систему уравнений
{4x-2y= -9}
{3x-3y= -6}

Answer 1

4x-2y=-9
3x-3y=-6

4x-2y=-9
x-y=-2

4x-2y=-9
x=y-2

4(y-2)-2y=-9
x=y-2

4y-8-2y=-9
2y=-1
y=-0.5

x=-0.5-2=-2.5

x=-2.5
y=-0.5