Question

4.(x-1)+7x=73 3.(x+5)-6=29-x

Answer 1

$4(x-1)+7x=73 \\ \\ 4x-4+7x=73 \\ \\ 11x=73+4 \\ \\ 11x=77\to x= \frac{77}{11}\to \boxed{x=7} \\ \\ \\ 3(x+5)-6=29-x \\ \\ 3x+15-6=29-x \\ \\ 3x+x=29-15+6 \\ \\ 4x=20\to x= \frac{20}{4}\to \boxed{x=5}$

Espero que te sirva, salu2!!!!