Question

5(х-2)-(х-1)=9



3-y+2(5-y)=4y-8

Answer 1

5(х-2)-(х-1)=9
5x-10-x+1=9
4x-9=9
4x=9+9
4x=18
x=18:4
x=4,5

3-y+2(5-y)=4y-8
3-y+10-2y=4y-8
-3y+13=4y-8
4y+3y=13+8
7y=21
y=21:7
y=3

Answer 2

Спасибо огромное

Answer 3

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