vizhnay9615 vizhnay9615

01-12-2020
Mathematics

contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing Emersoncushing

01-12-2020

(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3

Answer Link

Otras preguntas

A bike path is 6 3/4 miles long. What whole number is closest to 6 3/4?

The coordinates of the vertices of triangle RST are R(-2,-3), S(8,2) and T(4,5). Which type of triangle is triangle RST?

Why is Atlanta's longest serving mayor, William Berry Hartsfield, known as Atlanta's "father of aviation"? A)He was an accomplished pilot who began Delta airli

He winced at the scratchy blare of the battered trumpet, the uncertain smash of the tarnished cymbals, and the anguished screech and whistle of the poorly-playe

7kgis =to how many gallons

What's bigger 9/20 or 1/2?

Who says the following and why? [O]f course she's not presentable. She's a triumph of your art and of her dressmaker's; but if you suppose for a moment that she

All of the following were migration patterns during the war EXCEPT which one? A.) Millions of African Americans moved from the South to major centers of war pro

what is Islam and Muslims ?

The situation in which an allele frequencies in the gene pool of a population remain constant is called A. evolution B.genetic drift C.genetic equilibrium D.n