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

Why have ethnologists focused their study on "nonliterate" peoples?

An oligopoly exists when there are many small businesses selling one standardized product. a. True b. False

Why did the byzantine empire outlasted the roman empire?

What percentage of dieters are likely to regain lost weight within two years?

Research shows that _____ minutes a week of moderate intensity aerobic activity, such as brisk walking, consistently reduces the risk of many chronic diseases a

Research shows that _____ minutes a week of moderate intensity aerobic activity, such as brisk walking, consistently reduces the risk of many chronic diseases a

Which intermolecular force or bond is primarily responsible for the solubility of cl2 in ccl4?

Why was the battle of long island important to the american revolution?

Geometry Two sides of a triangle have lengths 11 and 18. Write an inequality to represend the possible lengths for the third side, x.

Can I please get help ASAPPPPP !!!