How do you solve #\frac { 3a } { 30} - \frac { 5} { 2} = \frac { 2a } { 6} - \frac { 6} { 15}#?

Question

1241 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-07-16T13:58:09

#a=-9#

#(3a)/30 - 5/2 = (2a)/6 -6/15#

#a/10 - 5/2 = a/3 - 2/5#

#(2a - 50)/20 = (5a - 6)/15#

#3(2a - 50) = 4(5a - 6)#

#6a - 150 = 20a - 24#

#20a - 6a = -150 + 24#

#14a = -126#

#a = -9#