Solving Multi-Step Linear Equations

Solve for the variable.  $12=4v+2v$  

Solve for the variable.  $3=m+1+3$  

Solve for the variable.  $-a+5\left(-6a+6\right)=-4+3a$  

Solve for the variable.  $-7+8\left(7a+4\right)=25+3a$  

Solve for the variable.  $-12+9\left(k-2\right)=3\left(7+2k\right)-12$  

Solve for the variable.  $10\left(11x+5\right)-1=-4\left(7x-12\right)+1$