What is the value of the x variable in the solution to the following system of equations?
2x + 3y = 4
x - 2y = -5

A.) 2
B.) -2
C.) 1
D.) -1

Question

What is the value of the x variable in the solution to the following system of equations?
2x + 3y = 4
x - 2y = -5 

A.) 2
B.) -2
C.) 1
D.) -1

stamp · Answer

2x + 3y = 4
x - 2y = 5

2x + 3y = 4
2x - 4y = 10

7y = -6

y = -6/7

Use this y value to solve for your x, you can substitute the y value back in to either equation to solve for x.

anonymous · Answer

I really don get how u did that

stamp · Answer

@dusty Go find an example in your textbook, read it, then read my work.

anonymous · Answer

i dont have a txt book lol i do my stuff online

anonymous · Answer

i do my stuff online too but ill give you an explanation

anonymous · Answer

okay :)

anonymous · Answer

x=1

anonymous · Answer

@summer1980 how did you get that answer????

anonymous · Answer

multiply the first equation by 2 and the second one by 3 then add them you'll get 
7x=7