U=R a)32x+3=243
B)2x+1+2x-2x-2=44
C)(1/4)-x+3 > (1/8)2x-1
D)3x>243

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.

Identify the number 127 as a rational or irrational. explain

X+y=-4 x-y=2 use elimination with adding and subtraction