How do you solve #-9( x - 5) = 4x - 7#?

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Answer 1 · 2016-10-27T16:14:10

#x= 4#

We develop the first part:
#-9x + 45 = 4x - 7 #

We bring the #x#-terms together on one side and the constants together on the other side:

#9x + 4x = 45 + 7 #

We simplify on each side by calculating:

# 13x = 52 #

#x = 52/13 #

#x = 4#