Solving Equations

Solve the equation for n

 $5n+4=8+2n-10$  

Solve the equation for y

 $2\left(y-3\right)=-y+9$  

Solve equation for x

 $x-5\ =\ 3\left(2x+5\right)$  

Solve equation for x

 $9-\left(x+2\right)\ =\ 3x+5$  

Solve the equation for b

 $3\left(b+2\right)=\ 3b+2$  

You ALWAYS flip the inequality sign when multiplying by a negative number

Solve equation for z

 $-z+2\ >\ 2z-4$  

Solve equation for x

 $3-9<x\ +6-4x$  

Solve equation for x:

 $3\left(x-2\right)\ \ge-2\left(x-7\right)$  

Amanda, Javier, and Robert deliver packages for Amazon. Javier delivered twice as many as Robert. Amanda delivered 4 less than Javier. If 41 total packages were delivered, how many did Robert deliver?