How do you solve #7x - 16= 15.5#?

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Answer 1 · 2017-06-02T15:09:27

See a solution process below:

Step 1) Add #color(red)(16)# to each side of the equation to isolate the #x# term while keeping the equation balanced:

#7x - 16 + color(red)(16) = 15.5 + color(red)(16)#

#7x - 0 = 31.5#

#7x = 31.5#

Step 2) Divide each side of the equation by #color(red)(7)# to solve for #x# while keeping the equation balanced:

#(7x)/color(red)(7) = 31.5/color(red)(7)#

#(color(red)(cancel(color(black)(7)))x)/cancel(color(red)(7)) = 4.5#

#x = 4.5#