Solve the system of equations using substitution. y = −2x + 1
4x + 2y = −2

A. No solution
B. Infinitely many solutions
C.(0,-4)
D.(-4,0)
I shouldn't have to say this, but no links please!

What properties allow transformation to be used as a problem solving tool

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

How do you write y-10=2 (x-8) in standard form