Question 719791
10(1-2y)=-5(2y-1)
10-20Y=-10Y+5
-20Y+10Y=5-10
-10Y=-5
Y=-5/-10
Y=1/2 ANS.
PROOF:
10(1-2(1/2))=-5(2(1/2)-1)
10(1-2/2)=-5(2/2-1)
10(1-1)=-5(1-1)
10*0=-5*0
0=0