1) 4(x – 2) = –5x; 4) 2(x + 1) = 9(x – 3);

2) – (4x – 7) = –7x; 5) 3,2(2 – 3y) = 3(0,8y – 1) + 3,4;

3) –6(x – 1) = 13; 6) 3(0,4x + 7) – 4(0,8x – 3) = 2.

sonasandimirova    3   09.04.2020 11:59    0