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2- x= 3
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4(x+1) = 28 + 20
4x + 4 = 48
4x = 48 - 4
4x = 44
x = 11
2. 2(x-5) + 3(x+5)= 20
2x - 10 + 3x + 15 = 20
5x + 5 = 20
5x = 20 - 5
5x = 15
x = 3