solve: 3x+12=5x+2 , 4(x+5)=48
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Answer:
3x + 12 = 5x + 2
5x - 3x = 12 - 2
2x = 10
x = 10/2
x = 5
4(x+5) = 48
4x + 20 = 48
4x = 48 - 20
4x = 28
x = 28/4
x = 7
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