3x=10x+15
3x-10x=15
-7x=15
x=15/(-7)
-5x+6=11x-14
-5x-11x=-14-6
-16x=-20
x= -20/-16
x=1.25
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3x=10x+15
3x-10x=15
-7x=15
x=15/(-7)
-5x+6=11x-14
-5x-11x=-14-6
-16x=-20
x= -20/-16
x=1.25
J'espère t'avoir aidé(e) ! :)