Question

rezolvati in R ecuatia
a)2x+(3-6x)=-17
b)2(x+1)=3(x-1)


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Answer 1

Răspuns:

Explicație pas cu pas:

a)2x+(3-6x)=-17

2x+3-6x=-17

-4x+3=-17

-4x=-17-3

-4x=-20

x = 20 : 4

x = 5 ∈ R

b)2(x+1)=3(x-1)

2x+2=3x-3

2x-3x=-3-2

-x=-5   lx(-1)

x = 5 ∈ R