I cannot simplify these to where I have one answer.
4x+3(5y+x)
4x+15y+3x
7x+15y
7(a-3+4b)
7a-21+28b
13+x+8
21+x
x(6+x)-2x
6x+x-2x
7x-2x
5x
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hope it helps
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