1). 10 - 3у=7 2). -3x-5=4 Помогите плиз
2) -3×-5=4 -3×=4+5 ×=9:(-3) ×=-3
1) 10 - 3y = 7 -3y = 7 - 10 -3y = -3 y = -3: (-3) y = 1 2) -3x - 5 = 4 -3x = 4+5 -3x = 9 x = 9: (-3) x = -3