Answered

Resoudre equtaions suivantes:
2x-1=5x+4                                        2/3x+3=5/6+x

Sagot :

DROOPETTE
2x-5x=4+1
-3x=5
x=-[tex] \frac{5}{3} [/tex]


[tex] \frac{2}{3} x-x= \frac{5}{6} -3 [/tex]
[tex] \frac{2}{3} x- \frac{3}{3} x= \frac{5}{6} - \frac{6}{6} [/tex]
[tex]- \frac{1}{3} x=- \frac{1}{6} [/tex]
[tex]x= \frac{3}{6} [/tex]
[tex]x= \frac{1}{2} [/tex]

TELEPHONE16
2x -1 = 5x +4
2x-5x = +1 +4
-3x = 5
x= -5/3

2/3x +3 = 5/6 +x
2/3x -x = 5/6 -3
2/3x -3/3x = 5/6 -6/6
-1/3x = -1/6
x = 3/6 = 1/2