Kak rewit? eti dva uravnenija? 3(x-2)=9 (x+3)8=48

Question

Kak rewit? eti dva uravnenija?

3(x-2)=9

(x+3)8=48

Comments

х-2=9:3 ..... х-2=3 ..... х=5

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a vot tut s drobiami? kak ih preobrazovat i rewit? (2x-4)*1/3=12

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2х-4=12 : 1/3 .... 2х-4=12*3 ..... 2х-4=36 ....2 х=40 .... х=20

Answer 1

1)3x-6=9
3x=15
x=3
2) 8x+24=48
8x=24
x=3

Comments

spasibo ogromnoe! vidimo ne v te pravila zaglianul