Question

rezovlavati in R ecuatia...3(x-2)=4x;2(2-x)=x-5; 2(x-1)-5x=18-7x;2(x+3)+3x=5(x+2)...ajutatima varog mult

Answer 1

a)3(x-2)=4⇒3x-6=4⇒3x=10⇒x=10/3
b)2(2-x)=x-5⇒4-2x=x-5⇒-2x-x=-4-5⇒-3x=-9⇒x=-9/-3⇒x=3
c)2(x-1)-5x=18-7x⇒2x-2-5x=18-7x⇒-3x-2=18-7x⇒-3x+7x=2+18⇒4x=20⇒x=20/4⇒x=5
d)2(x+3)+3x=5(x+2)⇒2x+6+3x=5x+10⇒5x+6=5x+10⇒
5x-5x=10-6⇒0=4
sucees