Question

7(-5+3x)+4x=9. Уравнения и неравенство

Answer 1

7(-5+3x)+4x=9

-35 +21х + 4х = 9

25х=44

х = 1,76

Answer 2

7(-5+3x)+4x=9

-35+21х+4х=9

21х+4х=35+9

25х=44

х=44:25

х=1,76