rakinuddin78
rakinuddin78
24-11-2016
Mathematics
contestada
4x+3y=19
3x-5y=7
?????????
Respuesta :
rosesj3172
rosesj3172
24-11-2016
4x+3y=19
3x-5y=7
(3)4x+3y=19
(-4)3x-5y=7
12x+9y=57
-12x+20y=-28
----------------------
29y=29
------------
y=1
4x+3(1)=19
4x+3=19
-3 -3
--------------
4x=16
--------
x=4
Answer Link
VER TODAS LAS RESPUESTAS ( 24+ )
Otras preguntas
¿Ser o estar? Fill in the blanks with the appropriate forms of ser or estar.
g/7-5=1 1/2 what deos g equals
A circle has a circumference of 45 cm what is the best estimate of the circles diameter
What type of salt will affect temperature most?
How can a piece of writing suffer if it is NOT read aloud prior to submission? it may be confusing to a reader it may lack coherence it may have mistakes that c
Jamie's favorite breakfast in the world is scrambled eggs. His family currently has 22 eggs. If he eats 2 eggs per day, in how many days will his family have 6
what element of art and principles of design used to make a clay whistle?
please help me .find the perimeter of each figure (i) and (ii)
The fraction 4/5 is equivalent to which of the following decimals? 0.08 0.8 4 0.4
name the three auxiliary female reproductive organs
