Question

Решите 1,2,3 4,5 не надо

Answer 1

1) 3(x-2)=x+2

3x-6=x+2

3x-x = 6+2

2x = 8

x=4

2) 5-2(x-1)=4-x

5-2x+2=4-x

5-4 =2x-x

x=1

3) (7x+1)-(9x+3) =5

7x+1-9x-3=5

7×-9x = 5-1+3

-2x = 7

x =-3,5