slt pouvez vs m'aidez pour un devoir de math
le sujet est resoudre dans R les équations suivante :
a.2x+3=-3x+8
b.3x-1=7x+5
c.x-5=4x+13
d.5x+3=-2x+4
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2x+3x = 8-3
5x =5
x=5/5
x=1
b.3x-1=7x+5
3x-7x =5+1
-4x = 6
x = -6/4
x = -3/2
c.x-5=4x+13
x-4x= 13+5
-3x = 18
x=-18/3
x = -6
d.5x+3=-2x+4
5x+2x = 4-3
7x = 1
x=1/7
2x+3=-3x+8
5x + 3 = 8
5x = 5
x = 1
b.
3x-1=7x+5
-4x - 1 = 5
-4x = 6
x =
c.
x-5=4x+13
-3x - 5 = 13
-3x = 18
x = -6
d.
5x+3=-2x+4
7x + 3 = 4
7x = 1
x =