ria3545
ria3545
04-02-2021
Mathematics
contestada
solve the simultaneous equations
2x+3y=13
4x-y=-2
Respuesta :
assvecca
assvecca
04-02-2021
from eq1 ,
2x = 13-3y
x = 6.5-1.5y (eq 3)
sub eq 3 into eq2,
4(6.5-1.5y)-y=-2
26-6y-y=-2
-6y-y=-2-26
-7y=-28
7y=28
y=4 ( eq 4 )
sub eq4 into eq3 ,
x=6.5-1.5(4)
x=6.5-6
x=0.5
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
what is the comparative and superlative of many, lazy, smooth, and rough
If a - 3= 7, then 2a - 14 =
what are the functions of the sweat and oil glands
When an object is charged, what type of subatomic particle is transferred between objects?
How do I Stargaze? Please help :)
a map has a scale of 2 in : 25 mi. The map shows a highway is 31 inches long. how long is the actual highway?
you are planting a rectangle garden. it is 5 feet longer than 3 times its width. the area of the garden is 250 feet. find the dimensions
At Jones College, there are a total of 100 students. If 30 of the students have cars on campus, and 50 have bicycles, and 20 have both cars and bicycles, then h
Express the exact value of csc 60 degrees with a rational denominator?
What restriction may be necessary to the domain and range of linear equations?
