wooleryashley
wooleryashley
09-04-2015
Mathematics
Answered
x-2y=-25
3x-y=0
need help solving
Answer :
konrad509
konrad509
09-04-2015
[tex]x-2y=-25\\ 3x-y=0\\\\ x-2y=-25\\ y=3x\\\\ x-2\cdot3x=-25\\ x-6x=-25\\ -5x=-25\\ x=5\\\\ y=3\cdot5\\ y=15 [/tex]
Answer Link
VIEW ALL ANSWERS ( 99+ )
Other Questions
what is the purpose of the Sherman anti trust act?
what is the name of the process where animal cells break down sugar?
Which played the most significant role in the development of agriculture by netholic people A bronze tools B long distance trade C the domestication of animals
According to one acid-base theory, water acts as an acid when an H2O molecule (1) accepts an H+ (3) accepts an H- (2) donates an H+ (4) donates an H-
At STP, which element is solid, brittle, and a poor conductor of electricity? (1) Al (3) Ne (2) K (4) S
After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounce. After the first bounce it reaches a height of 125 inches. Ho
is 1.2 equal to 1.20?
is 3 feet greater than/less than/ or equal to 10 inches
A circle has a radius of 9 ft. What is the approximate area of the circle? Use 3.14 to approximate pi. Write the answer to the nearest hundredth.
Which atom in the ground state requires the least amount of energy to remove its valence electron?(1) lithium atom (2) potassium atom (3) rubidium atom (4) sodi