emilywood664
emilywood664
02-04-2017
Mathematics
contestada
find the solutions
-2x+8y=14
-2x-2y=-26
Respuesta :
lisee7
lisee7
02-04-2017
X=-33 y= 10
Leave first row the same multiply 2nd row by -1
-2x+8y=14
2x+2y=26
10y= 40
Y=4
-2x+8(10)=14
-2x+80=14
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
Your uncle is planting an 8-foot tall tree. He ties support wires to the tree, 1 foot from the top, and ties them to posts on the ground, 4 feet from the trunk
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface area of a sphere: (S=4πr^2) to fin
a bottle contains 12 red marbles and 8 blue marbles. A marble is chosen at random and not replaced. Then a second marble is chosen at random. Determine the prob
From the equations 7a = 4 and 7a + 4b = 12, one can conclude that b is? Please explain the work behind the solution
Your uncle is planting an 8-foot tall tree. He ties support wires to the tree, 1 foot from the top, and ties them to posts on the ground, 4 feet from the trunk
shayla says that one kilometer is equal to one million millimeters. is She correct? explain why?
A molecule of nitrogen gas consists of two nitrogen atoms joined together. Write the formula of nitrogen gas.
The radius of a bicycle wheel is 12 in. What is the approximate circumference of the wheel?
11. Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?
What is the value of the expression shown below when a=51, b=2, and c=17? 3(a\c)^2
