Question

помогите плиз, алгебра<3 ​

Answer 1

Ответ:

1) 2+(2х+2)2=5-4х

2+4х+4=5-4х

х=-1

2) 3-4х=-8х+9

4х=6

х=1.5

3) -2х+1+5(х-2) =-4(3-х) +1

-2х+1+5х-10= -12+4х+1

-2х+5х-4х=-12+1+10-1

-х=-2 ||*(-1)

х=2

4+(-5) = -1

-36+15= -21

(-17) +(-45) = -62

-9+(-1) = -10

3-(-6) =9

-16-35=51

-27-(-5) = -22

-94-(-61) = -33