Ответ:

    1. а) 8x − 6 = 18; 8x = 24; x = 3.

    2. б) 16 − 10x = 6; −10x = −10; x = 1.

    3. в) 3 − 12x = 5; −12x = 2; x = −1/6.

    4. г) 12 = 18x − 15; 27 = 18x; x = 3/2.

    1. а) 8x = 14x + 12; −6x = 12; x = −2.

    2. б) 15x − 1 = 21x − 5; 4 = 6x; x = 2/3.

    3. в) −48 + 16x = 15x − 12; x = 36.

    4. г) 14x − 36 = 3x + 7; 11x = 43; x = 43/11.

    1. а) −10 + 35x = 0; x = 2/7.

    2. б) −10 + 35x = 5; 35x = 15; x = 3/7.

    3. в) 40x − 8 = 0; x = 1/5.

    4. г) 40x − 8 = 8; 40x = 16; x = 2/5.