3.Verificati daca x=-2 este solutie a ecuatiei : 5(x+1)-3=17-3xDau coroana cel mai bun raspuns.... Idea question from @Boy1111

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Boy1111 @Boy1111

March 2019 2 55 Report

3.Verificati daca x=-2 este solutie a ecuatiei : 5(x+1)-3=17-3x
Dau coroana cel mai bun raspuns.

turcudeny21 5(-2+1)-3=17-3•(-2)
5•(-1)=17+6
-5=23
! Nu este solutie

1 votes Thanks 1

abc112 $5(x + 1) - 3 = 17 - 3x$

$5( - 2 + 1)- 3 = 17 - 3 \times ( - 2)$

$5 \times ( - 1) -3 = 17 + 6$

$- 5 - 3 = 17 + 6$

$- 8 = 23 \: (F) = > x = - 2 \: nu \: este \: solutie \: a \: ecuatiei$

1 votes Thanks 1

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