Question

Решите уравнения:
5-7x=26-3*(x-3)

Answer 1

5-7x=26-3 (x-3)
5-7x=26-3x+9
-7x+3x=26-5+9
-4x=30
x=-7.5

Answer 2

5-7x=26-3x-12

-7x+3x=26-12-5

-4x=9

x=-9/4

x=-2.25