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4 votes
18=20+x I need to know what x= but wouldn't it be subtraction

User Jpprade
by
8.0k points

2 Answers

2 votes

Please ! Don't make something hard out of something easy.
It makes math look bad.

Simply take the original equation 18 = 20 + x

You want 'x' all alone on one side of the
equation, so subtract 20 from each side: -2 = x


User Shivg
by
8.0k points
1 vote
18=20+x
-20 -20
x= 18-20
x= -2

User Ned Deily
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8.2k points