How do you solve #-2.1y-3=-1.8#?

Question

2428 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2014-09-28T14:26:23

#-2.1 y -3 = -1.8#

adding #3# to both sides we get;

#-2.1 y -3 +3 = -1.8 + 3#

#-2.1 y = 1.2 #

dividing both sides by #-2.1#

#(-2.1 y) /-2.1 = 1.2 / -2.1#

#y = - 1.2 /2.1#

#y = -0.4/ 0.7 #