Решение линейных уравнений : -3х=21 16х=-4 2/3х=14 3х+2=14х-75 (5-3х)-2(4х-1)=40 Помогите, прошу ;-;. Created by viktoriyakomova. matematika-ru

1) -3x=21 x=-72) 16x=-4 x=3) x=14 x=214) 3x+2=14x-75 11x=77 x=75) (5-3x)-2(4x-1)=40 5-3x-8x+2-40=0 -11x=33 x=-3

3х=14 3х+2=14х-75 (5-3х)-2(4х-1)=40 Помогите, прошу ;-;...

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Решение линейных уравнений :
-3х=21
16х=-4
2/3х=14
3х+2=14х-75
(5-3х)-2(4х-1)=40

Помогите, прошу ;-;

Answers & Comments

Chr1s 1) -3x=21
x=-7
2) 16x=-4
x= $- \frac{1}{4}$
3) $\frac{2}{3}$ x=14
x=21
4) 3x+2=14x-75
11x=77
x=7
5) (5-3x)-2(4x-1)=40
5-3x-8x+2-40=0
-11x=33
x=-3

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