kyliemo2003 kyliemo2003

01-02-2017
Mathematics

contestada

Solve the system of equations.
2x-y=5
3x+2y=4

A.) (3,1)
B.) (0,2)
C.) (2,-1)
D.) (9/7,17/7)

Respuesta :

Jedimaster13 Jedimaster13

01-02-2017

2x - y = 5 also equals 4x - 2y = 10

4x-2y=10
+3x+2y=4
7x = 14
x = 2

2(2) - y = 5
-y = 1
y = -1

so, B. (2,-1)

Answer Link

Otras preguntas

What is the measure of WX shown in the diagram below

How should history remember Nelson Mandela? How did he influence other people over time? What is his leader’s legacy in history?

What volume of gas is generated when 58.0 l of oxygen gas reacts at stp?

PLEASE HELP ASAP!!!! Which leadership function is being employed in the following situation? At a department meeting, the employees are discussing why they miss

I feel so stupid, but I need helping figuring out this problem. I can’t remember how to do it. Can someone help me please

You estimate that you can do 12 math problems in 45 minutes. How long should it take you to do 20 math problems?

How many grams of oxygen is needed to completely react with 9.30 moles of aluminum

Match each group from the russian revolution with its description

How did the British succeed on taking Quebec?

How many moles of C2H2 are needed to react completely with 84 mol O2