2. 20х = -2; 3. 2х + 4 = 0;
4. 7х – 2 = 4;
5. 12 – 2х = 3х;
6. 5х – 8 = 9 + 3х;
7. 9х + (6 – 2х) = 15;
8. 2х – (5х + 4) = - 8;
9. 5 – 3(2х – 7) = -6х;
10. 4(5х +8) – 2х = 12;
11. (х – 5)(х+9) = 0;
12. (3х – 4)(2х + 7) = 0.

Question

Алгебра: 2. 20х = -2; 3. 2х + 4 = 0; 4. 7х – 2 = 4; 5. 12 – 2х = 3х; 6. 5х – 8 = 9 + 3х; 7. 9х + (6 – 2х) = 15; 8. 2х – (5х + 4) = - 8; 9. 5 – 3(2х – 7) = -6х; 10. 4(5х +8) – 2х = 12; 11. (х – 5)(х+9) = 0; 12. (3х – 4)(2х + 7) = 0.

yulia3789 · Answer

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2. 20х = -2; 3. 2х + 4 = 0; 4. 7х – 2 = 4; 5. 12 – 2х = 3х; 6. 5х – 8 = 9 + 3х; 7. 9х + (6 – 2х) = 15; 8. 2х – (5х + 4) = - 8; 9. 5 – 3(2х – 7) = -6х; 10. 4(5х +8) – 2х = 12; 11. (х – 5)(х+9) = 0; 12. (3х – 4)(2х + 7) = 0.

Популярные вопросы

2. 20х = -2; 3. 2х + 4 = 0;
4. 7х – 2 = 4;
5. 12 – 2х = 3х;
6. 5х – 8 = 9 + 3х;
7. 9х + (6 – 2х) = 15;
8. 2х – (5х + 4) = - 8;
9. 5 – 3(2х – 7) = -6х;
10. 4(5х +8) – 2х = 12;
11. (х – 5)(х+9) = 0;
12. (3х – 4)(2х + 7) = 0.