Question

a) 5x= -10 b) -3x=3la puterea 2 c) -6x= -2 ori 3 la puterea2. d) -2la puterea 2 ori 7 la puterea 3 = 7 la puterea2 ori 1. e) -2la puterea 2 ori 3 = -6x. f) (2+3)x= -15. g) ( 79 - 84 ) x = -10
ajutati-ma va rog va dau 30 de puncte la raspuns ​

Answer 1

a)5x=-10

x=-10:5

x=-2

b) -3x=3^2

-3x=9

x=9:(-3)

x=-3

c)-6x=-2×3^2

-6x=-2×9

-6x=-18

x=-18:(-6)

x=3

d)-2^2×7^3=7^2×1

-4×21=49×1

-84=49

-84-49=-133

e)-2^2×3=-6x

-4×3=-6x

-12=-6x

x=-12:(-6)

x=2

f)(2+3)x=-15

5x=-15

x=-15:5

x=-3

g)(79-84)x=-10

-5x=-10

x=-10:(-5)

x=2

Answer 2

Răspuns:

Explicație pas cu pas:A)x=-2 B)x=-3 C)x=2E)x=-2 F)x=2