Решите уравнения. Помогите плиз ! Даю много баллов !

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16x-x=-135x=-13x=-13:5x=-2,629+30x-100=23x=2+9130x=93x=93:30x=3,136(9x+6)+3*42=7*7x54x+36+126-49x=05x=-162x=-162:5x=-32,44x-3-4x-16=20-5x-1-3x+5x=19+192x=38x=38:2x=195x²-10x+25-x²-20x-100=0-30x=75x=75:(-30)x=-2,564x(x-5)=0x=0x-5=0x=5716x²=16x²=1x=-1x=18x²+7x-18=0x1+x2=-7 U x1*x2=-18x1=-9 U x2=29x²-9x+18=0x1+x2=9 U x1*x2=18x1=3 U x2=610-4x-1=04x=-1x=-1/45x-2=05x=2x=2/5

16x-x=-135x=-13x=-13:5x=-2,629+30x-100=23x=2+9130x=93x=93:30x=3,136(9x+6)+3*42=7*7x54x+36+126-49x=05x=-162x=-162:5x=-32,44x-3-4x-16=20-5x-1-3x+5x=19+192x=38x=38:2x=195x²-10x+25-x²-20x-100=0-30x=75x=75:(-30)x=-2,564x(x-5)=0x=0x-5=0x=5716x²=16x²=1x=-1x=18x²+7x-18=0x1+x2=-7 U x1*x2=-18x1=-9 U x2=29x²-9x+18=0x1+x2=9 U x1*x2=18x1=3 U x2=610-4x-1=04x=-1x=-1/45x-2=05x=2x=2/5