Question

Решите уравнение 7(x-5)+1=2-3(2x-1)

Answer 1

7х-35+1=2-6х+3

7х-34=-1-3х

7х+3х=36-1

10х=35

х=35/10

х=3,5

вроде так....

Answer 2

7(х -5) +1 =2 -3(2х -1)

7х -35 +1 =2 -6х +3

7х +6х=34 +2 +3 

13х =39

х =39 : 13 

х =3 

проверка :

 7( 3 -5 )+1 =2 - 3(2*3 - 1)

           -13 = - 13

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