x取何值时,2x+3与-5x+6的值互为相反数?

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x取何值时,2x+3与-5x+6的值互为相反数?x取何值时,2x+3与-5x+6的值互为相反数?x取何值时,2x+3与-5x+6的值互为相反数?2x+3=-(-5x+6)2x+3=5x-63+6=5x

x取何值时,2x+3与-5x+6的值互为相反数?
x取何值时,2x+3与-5x+6的值互为相反数?

x取何值时,2x+3与-5x+6的值互为相反数?
2x+3=-(-5x+6)
2x+3=5x-6
3+6=5x-2x
9=3x
x=3

2x+3=-(-5x+6)
解得x=3

2X+3-5X+6=0 X=3分给我阿

2x+3=-(-5x+6)
2x+3=5x-6
3+6=5x-2x
x=3