$2𝑥 + 3𝑦 = 2$2𝑥 + 3𝑦 = 2 i $−𝑥 + 𝑦 = −14$−𝑥 + 𝑦 = −14

$3𝑥 + 2𝑦 = −12$3𝑥 + 2𝑦 = −12 i $2𝑥 + 𝑦 = 10$2𝑥 + 𝑦 = 10

$𝑥 + 𝑦 = −2$𝑥 + 𝑦 = −2 i $𝑥 − 2𝑦 = 4$𝑥 − 2𝑦 = 4

$𝑥 − 𝑦 = −14$𝑥 − 𝑦 = −14 i $−2𝑥 + 𝑦 = 22$−2𝑥 + 𝑦 = 22