Răspuns :
15x -10 -48x +78-13x= 128- 48x -62
46x+68= -48x+ 66
46x+48x=66-68
94x= -2
x= - 1/47
5x+9+6x-3=2x+24
11x+6=2x+24
11x-2x=24-6
9x=18
x=18/9=2
46x+68= -48x+ 66
46x+48x=66-68
94x= -2
x= - 1/47
5x+9+6x-3=2x+24
11x+6=2x+24
11x-2x=24-6
9x=18
x=18/9=2
1.6x-10-48x-78-3x=128-48x--62; --3x+48x=-62+128+10+78: -45x=154 x=154supra-45
2.5x+9+6x=3=2x+24; 11x-2x=24-9; 9x=15 x = 15 supra 9
2.5x+9+6x=3=2x+24; 11x-2x=24-9; 9x=15 x = 15 supra 9