3(x+8)+3(8+5)=7(x-7)+15
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Step-by-step explanation:
3(x+8)+3(8+5)=7(x-7)+15
3x+24+24+15=7x-49+15
3x+63=7x-34
63+34=6x-3x
97=3x
97/3=x
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