Seudónimo Seudónimo
  • 02-02-2017
  • Mathematics
contestada

What is the x-coordinate of the solution to the system of equations?

3x + 2y = 3
2x - 2y = 7

Respuesta :

Lov3TIg3r Lov3TIg3r
  • 02-02-2017
+2y and -2y cancel out. 

5x = 10

divide 5x by 5 and 10 by 5

x = 2

then plug x into on equation to find y. 

3(2) + 2y = 10

6 + 2y = 10

subtract 6 from both sides

2y = 4

divide both sides by 2

y = 2

answer: x = 2     y = 2
Answer Link

Otras preguntas

What is an equivalent fraction for 20/12
2h/3-1/4=1/3 solve and show your steps
hey guys i know this seems long but i really need the help so plzz]Step 1: Write five word phrases to be translated using the various key terms from the lesson.
Which two countries were the first to declare war on Germany in WWII?
How do you work this problem?
What is a scale on a map?
Solve the equation x=x+3
Suppose that 2 scientists use different measurement systems in their work. What problems might arise if they shared their data?
A six−sided die, with sides numbered 1,2, 3,4,5, and 6, is tossed. What is the probability of tossing a number less than three?
what is the value for the expression -5+ 5