1) x+20=20+4
x=20-20+4
x=4
2) 4x-10=50
4x=50+10
4x=60
x=60/4
x=15
3)5x+10=100+30
5x=130-10
5x=120
x=120\5
x=24
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Verified answer
1) x+20=20+4
x=20-20+4
x=4
2) 4x-10=50
4x=50+10
4x=60
x=60/4
x=15
3)5x+10=100+30
5x=130-10
5x=120
x=120\5
x=24