Question

решите уравнение
4x-5(x-9)=12

Answer 1

4х-5х+45=12
4х-5х=12-45
-х=-33
х=33

Answer 2

4x - 5(x - 9) = 12,
4х - 5х + 45 = 12,
-х + 45 = 12,
-х = 12 - 45,
-х = -33,
 х = 33.