помогите найти корни уравнений 4-x=5x +22 5y+18=8y 16-2x=3x 42-2x=5x 3x+18=5x 5y-22=3y 3x+3x=5x+18 7y-5=3y+3 6x-45=2x-17 3-3y=7-13y 3x-2=7-x. Created by rusaz5555. algebra-ru

помогите найти корни уравнений 4-x=5x +22 5y+18=8y 16-2x=3x 42-2x=5x 3x+18=5x 5y...

kpy4 1. х = -3
2. у = 6
3. х = 3.2
4. х = 6
5. у = 9
6. х = 11
7. х = 18
8. у = 2
9. х = 7
10. у = -0,4
11. х = 2,5

gerdik25ozu6wy 4-x=5x+22 --> -x-5x=-4+22 --> -6x=18 --> x= 18/(-6) --> x= -3
5y+18=8y --> 5y-8y= -18 --> -3y=-18 --> y= (-18)/(-3) --> y= 6
16-2x=3x --> -3x-2x=-16-->-5x=-16--> x=16/5
42-2x=5x --> x= 6
3x+18=5x --> x= 9
5y-22=3y --> y= 22/8=11/4
3x+3x=5x+18 --> x=18
7y-5=3y+3 --> y=2
6x-45=2x-17-->x=7
3-3y=7-13y --> y=y=1
3x-2=7-x--> x= 9/4

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