ANSWER FOR BRAINLIEST AND 60 POINTS!!

Can someone me i’m confused. will give brainliest and a whole bunch of points

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.