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Ganeadaniela80
a fost răspuns

(2x-3) * 6 = 54 - 6x
512 : ( 9x - 19 ) - 4 = 120 : 2

Răspuns :

Nitugheorghe57
(2x-3)*6=54-6x⇒
12x-18=54-6x⇒12x+6x=54+18⇒18x=72⇒x=72/18⇒x=4
512:(9x-19)-4=120:2⇒9x-19-4=60x512⇒9x-23=3072⇒9x=3072+23⇒9x=3095⇒x=3095/9⇒x=343.(8)
succes
12x-18=54-6x
12x+6x=54+18
18x=72
x=72:18
x=4

512:(9x-19)-4=60
512:(9x-19)=60+4
9x-19=512:64
9x=8+19
x=27:9
x=3

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