Question

2) 4x - 4y = -12
x + 4y = -18

Solve by elimination

Answer 1

`\left \{ {{4x - 4y = -12} \atop {x + 4y = -18}} \right. <=>\left \{ {{5x=-30} \atop {x + 4y = -18} \right. <=> \left \{ {x=-6} \atop {y=-3} \right.`

ok done. Thank to me :>