2(x+1)
2x+1
-4+8
4
3(x-4)
3x-12
9/-3
-3
-4(x-3)
-4x+12
-8+5-3
-6
-5(-t-2)
5t+10
3(-4/2+2)
0
-3(4-x)
-12+3x
5+(9-4)*2
15
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