How do you solve #5x + 30= 3( x + 4)#?

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Answer 1 · 2017-05-31T16:47:31

#x=-9#

#5x+30=3x+12# (Take out the parentheses by multiply 3 by the numbers inside the parentheses)

Take #3x# to the other side because you do not want 2 separate #x#'s.

#5x-3x+30=12#

#2x+30=12# (Simplify so that there is only 1 #x#.)

Take the 30 to the other side.

#2x=-18#

Now take 2 to the other side and divide it so now, #x# will equal #-9#.

#x=-9#