Question

Rezolvati in R ecuatia:
a) 2(x-1)+3( x+2)=5x+4.
b) 6-3(2-x)+4x=7-x.

va rog ajutatima

Answer 1

a)
2(x-1)+3(x+2)=5x+4⇒
2x-2+3x+6=5x+4⇒
x+4=5x+4⇒
5x-x=-4+4⇒
4x=0⇒x=0

b)6-3(2-x)+4x=7-x⇒
6-6+3x+4x=7-x⇒7x=7-x⇒
7x+x=7⇒8x=7⇒x=7/8
sucees