What is the value of the x variable in the solution to the following system of equations?

4x + y = 8
x − 2y = 2

Question

What is the value of the x variable in the solution to the following system of equations?

4x + y = 8
x − 2y = 2

anonymous · Answer

first equn * by 2
8x + 2y = 16
adding 9x = 18
x = 2

anonymous · Answer

The three Math Idol judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 840! If three times the number of one-step equations minus twice the number of two-step equations is equal to 870, how many one-step equations auditioned today?

anonymous · Answer

plz click good answer if u r happy with the answer

anonymous · Answer

Can you answer the second question i asked plz?

amistre64 · Answer

By cramers rule ... matrix stuff

4x + y = 8
x − 2y = 2

x = 2+16 / 1+8
   = 18 / 9
    =2