Answer :

[tex]\begin{gathered} (7x-1)+(4x+16)+(3x-17)=180 \\ (7x+4x+3x)+(16-1-17)=180 \\ 14x-2=180 \\ 14x=180+2 \\ 14x=182 \\ x=\frac{182}{14} \\ x=13 \\ \\ \text{now, m

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