SkyTaaHii
SkyTaaHii
22-01-2017
Mathematics
contestada
Solve using elimination method
Respuesta :
bassmalla16
bassmalla16
22-01-2017
4(3x+2y=4)
3(4x+7y=1)
12x+8y=16
-
12x+21y=3
-13y=13
13\-13
y = -1
since y = -1
3x+(-1*2)=4
3x-2=4
4+2=6
then 3x = 6
6/3 =2
x=2
(-1,2)
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
If the midpoint between (18, y) and (20, -15) is (19, -5), find the value of y.
Why are Europe's clean energy sources important to the region?
What is the x-coordinate of the point in the standard (x,y) coordinate plane at which the 2 lines y = 2x + 6 and y = 3x + 4 intersect? Can you please explain wi
How do you do 81x^2=49
Which is closest to 0.5? 0.4, 0.505, 0.449, 0.48 or 0.53?
A ratio of 3:1 in the phenotype of an organism occurs when (A) the alleles are incompletely dominant. (B) only recessive traits are involved. (C) only dominant
How do conservationists make use of watersheds and ecozones? Why is this important?
What city was hephaestus patron of ???
Balance the equation : ...NO2 + ...O2 + ...H2O = ...HNO3
Balance the equation : ...NO2 + ...O2 + ...H2O = ...HNO3
