How do you solve #-1= \frac { u } { 2} + 4#?

Question

478 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-08-31T22:43:13

See a solution process below:

First, subtract #color(red)(4)# from each side of the equation to isolate the #u# term while keeping the equation balanced:

#-1 - color(red)(4) = u/2 + 4 - color(red)(4)#

#-5 = u/2 + 0#

#-5 = u/2#

Now, multiply each side of the equation by #color(red)(2)# to solve for #u# while keeping the equation balanced:

#color(red)(2) xx -5 = color(red)(2) xx u/2#

#-10 = cancel(color(red)(2)) xx u/color(red)(cancel(color(black)(2)))#

#-10 = u#

#u = -10#