studentx1
studentx1
02-02-2017
Mathematics
contestada
-7x+y=-19
-2x+3y=-19
Respuesta :
httplyiah
httplyiah
02-02-2017
-7-2=-9
y+3y=4y
-9x+4y=-19
Answer Link
Melodyzz
Melodyzz
02-02-2017
y=7x-19
-2x+3(7x-19)=-19
-2x+21x-57=-19
19x-57=-19
19x=38
x=2
-7(2) + y = -19
-14 + y = -19
y=-5
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
What is the 50th term of the arithmetic sequence 4, 10, 16, 22, … ? Can someone explain this one?
THE EXPRESSION (TAN THETA) (CSC THETA) IS EQUAL TO?
which is longer 635 millimeters or 535 centimeters ?
How far does Franklin Roosevelt deserve his reputation as one of the greatest US presidents?
What is 0.75 as a fraction in simplist form
Write in function form X+y=6..?
How many square units are in the greatest area that can be enclosed by a rectangle whose perimeter is 20 units?
does a solution have to involve a liquid? explain.
Propane and oxygen react according to the equation: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g). How many grams of water can be produced from the complete combustion o
I am a polyhedron. I am a prism. my two bases are hexagon. my two other faces are rectangles.
