Question

Ajutati ma cu acest ex va rog​

Answer 1

Răspuns:

Bună, sper ca te am ajutat!!

Answer 2

$\it a)\ 2x=4 \Rightarrow x=2\\ \\ b)\ 3x+6=2x+6|_{-6} \Rightarrow 3x=2x \Rightarrow x=0\\ \\ c)\ 9x=8x+8|_{-8x} \Rightarrow x=8\\ \\ d)\ 4x+4=3x+15 \Rightarrow 4x-3x=15-4 \Rightarrow x=11\\ \\ e)\ 27-18x=5x+5 \Rightarrow 27-5=5x+18x \Rightarrow 22=23x \Rightarrow x=\dfrac{22}{23}\\ \\ \\ f)\ 6x+12=7x-7 \Rightarrow 12+7=7x-6x \Rightarrow 19=x \Rightarrow x=19$