Question

$\frac{3(5-7x)}{7} +\frac{2x-1}{5} = 3-3x$

Prin sistem, va rog mult!!

Answer 1

$\frac{3(5-7x)}{7}+\frac{2x-1}{5}=3 - 3x\\  aducem~la~acelasi~numitor~expresia$

15(5-7x)+7(2x-1)=35×3-35×3x

75-105x+14x-7=105-105x

-105x+14x+105x=105-75+7

14x=37

x=37/14