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Mmaryseet
a fost răspuns

Rezolvati ecuatiile:

a) 2x-6 = 8x-15
b) 5 ( 8-3x) = 20x-10

Răspuns :

Renatemambouko
a) 2x-6 = 8x-15
8x-2x=-6+15
6x=9
x=9/6=3/2

b) 5( 8-3x) = 20x-10
8-3x = 4x-2
7x=10
x=10/7

Coco0987
2x-6=8x-15
8x-2x=15-6
6x=9
x=9/6 simplif cu 3
x=3/2

40-15x=20x-10
20x+15x=40+10
35x=50
x=50/35 simplific cu 5
x=10/7