Главная
/
Математика
/
Ii) 9-4y=-5y K) 12a-1=-a+25 JI) 8+3b=-7-2b M) 4n+2=6n+7 H) 2-c=5c+1 0) -3d-10=3d-6 M (5)/(6)m+2=(1)/(3)m-0,8 P) -1,6-0,3p=0,9p+0,2 C)

Вопрос

ii) 9-4y=-5y K) 12a-1=-a+25 JI) 8+3b=-7-2b M) 4n+2=6n+7 H) 2-c=5c+1 0) -3d-10=3d-6 m (5)/(6)m+2=(1)/(3)m-0,8 P) -1,6-0,3p=0,9p+0,2 C) (11)/(12)x-(2)/(3)=-0,5-(3)/(4)x T) 2a-(14-3a)=-10 y) (9-2b)-(b+5)=16 (D) -(4c-7)=5c+(11-7c) X) -6x+2(5-3x)=8 II) 4(-2z+5)=14-2(4z-3) 4) 18-4y=7(2-y)+6

Решения

4.2 (297 Голоса)
Трифон
Экспертная проверка
профессионал · Репетитор 6 лет

Ответ

Let's solve each equation step by step:ii) Add to both sides: Multiply both sides by : K) Add to both sides: Add 1 to both sides: Divide both sides by 13: JI) Add to both sides: Subtract 8 from both sides: Divide both sides by 5: M) Subtract from both sides: Subtract 7 from both sides: Divide both sides by 2: H) Add to both sides: Subtract 1 from both sides: Divide both sides by 6: 0) Add to both sides: Add 6 to both sides: Divide both sides by 6: II) Subtract from both sides: Subtract 2 from both sides: Multiply both sides by 2: P) Add to both sides: Subtract 0.2 from both sides: Divide both sides by 1.2: C) Add to both sides: Combine like terms: Multiply both sides by 4/5: T) Distribute the negative sign: Combine like terms: Add 14 to both sides: Divide both sides by 5: y) Distribute the negative sign: Combine like terms: Subtract 4 from both sides: Divide both sides by -3: (D) Distribute the negative sign: Combine like terms: Add to both sides: Subtract 11 from both sides: Divide both sides by 2: X) Distribute the 2: Combine like terms: Subtract 10 from both sides: Divide both sides by -12: II) $4