keiontaelampkin
keiontaelampkin
07-11-2015
Mathematics
contestada
How to solve 4x-3y=22,2x-y=10
Respuesta :
derrickanthony
derrickanthony
07-11-2015
Is that considered two equations?
Answer Link
fouad
fouad
07-11-2015
4x-3y=22---->(×1): 4x-3y=22
2x-y=10 ---->(× -2): -4x+2y=-20
_________(+)
0-y=2
y=-2
we replace the value of y in one of the eq
4x-3y=22
4x-3×(-2)=22
4x+6=22
4x=16
x=4
so x=4 and y=-2
Answer Link
VER TODAS LAS RESPUESTAS ( 38+ )
Otras preguntas
How to solve y for this problem:16x + 9 = 9y - 2x.I am thinking the answer is y=2x, but I'm not sure
Find the least whole number that can make this statement true. _ ÷ 9 > 700
-6x²+3x-1=0I need to find the discriminant answer and also the number of real solutions answer also
How do you solve these algebra questains? 2m^2-7m-3=0 4b^2+8b+7=4 5√80a^2 -6√150r 2/√3 √6/5√3
What is the percent of change for 8 feet to20 feet
What is the greatest number you can make using two different operations and the numbers 25, 40 and 6?
Error Analysis: Pedro compares 7/33 and 2/11. He incorrectly says 7/33 < 2/11 because 4.71 < 5.50. Compare 7/33 and 2/11.
Jenny bought 7 t-shirts, one for each of her 7 brothers, for $9.95 each. The cashier charged her an additional $13.07 in sales tax. She left the store with a me
-6x²+3x-1=0I need to find the discriminant answer and also the number of real solutions answer also
Use a table to find two consecutive integers between which the solution lies. 4k-13=12 24.1=15q-32.5