Question

Помогите....
5(х-1)-4(х-2)=10

Answer 1

5x-5-4x+8 =10

x+3=10

x=7 

 

Answer 2

5(х-1)-4(х-2)=10

5x - 5 - 4x + 8 = 10

5x - 4x = 10 +5 - 8
x = 7