How do you solve #2( x + 2) + 2x = 2( x + 1) + 1#?

Question

572 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-12-31T15:07:01

#x = -1/2#

#2(x+2) + 2x = 2(x+1) + 1#

expand brackets:

#2x + 4 + 2x = 2x + 2 + 1#

collect like terms:

#4x + 4 = 2x + 3#

subtract #2x:#

#2x + 4 = 3#

subtract #4:#

#2x = -1#

divide by #2:#

#x = -1/2#