Question

verificati care dintre elementele multimii A={-5,-2,-1,0,4,10}este solutia a ecusatiei
a)-x-4=1
b)2x-6=-6
c)(-200):x=-20
d)x.(-15)=30
e)1-3x=x+1
f)10+2x=0

Answer 1

a)-x=5 =>x=(-5)
b)2x=0 =>x=0
c)x=10
d)x=(-2)
e)-4x=0 =>x=0
f)x=(-5)