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Need to know the answer asap

Need to know the answer asap
106k views
2 votes
Need to know the answer asap

Need to know the answer asap-example-1
User Rasive
by
7.1k points

2 Answers

3 votes
4x-4=3x+17
-4 -4
-4=-x+17
-17 -17
-21=-x

you can't have a negative x, so you make both sides positive which gives you x=21

Hope I helped. ☺
User Velcrow
by
8.3k points
2 votes
They are congruent (4x-4)=(3x+17)
x=21
How I got the answer
4x=3x+17+4
4x=3x+21
4x−3x=21x=21

User Minh
by
7.9k points
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