amber-king_60b935033736d
amber-king_60b935033736d
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{2x+3y=35 {2x-y=7 ----(-1) {2x + 3y = 35 {-2x +y = -7 ------------------------ //////// 4y = 28 ----> y = 7 2x-y=7 2x - 7 = 7 2x = 14 ----> x = 7 x e y t~em o mesmo valor = 7 Faça você a verificação , substituindo o (…