7x+3=4x+12

Svpp aider moi


Sagot :

YORYKS

x = 3

7 x 3 + 3 = 24

4 x 3 + 12 = 24

7x+3 = 4x+12
7x-4x = 12-3
3x = 9
x = 9/3
x = 3