1)
5x+12=2+20
5x=2+20-12
5x=10
x=2
2)
7x+16=30
7x=30-16
7x=14
3)
4)
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Answers & Comments
1)
5x+12=2+20
5x=2+20-12
5x=10
x=2
2)
7x+16=30
7x=30-16
7x=14
x=2
3)
4)