Use the systematic method to solve the following equation.

$-3(7-\mathrm{x})=6$

Use the systematic method to solve the following equation.

$57=7+5(x-3)$

Use the systematic method to find the value of $\mathrm{m}$ in the following equation:

$0=45+(\mathrm{m}-7)3$

Use the systematic method to solve the following equation.

$6x+11=x-14$