Question

Решите уравнение 7+9(4x+5) = − 2.

Answer 1

7+9(4x+5) = − 2
9(4х+5)=-2-7
9(4х+5)=-9
4х + 5 = -9 : 9
4х + 5 = -1
4х = -1 - 5
4х = -6
х= -6/4
х = -1,5