cassandraaa
cassandraaa
30-01-2017
Mathematics
contestada
what is
2y+6=x
y-3x=-13
Respuesta :
kkumi301
kkumi301
30-01-2017
if you plug 2y + 6 in x on the second equation, it will be
y-3(2y+6) = -13
y-6y-18 = -13
-5y = 5
y=-1
then you can plug in y in any of the equations to solve for x
(I'll do the first one)
2(-1)+6=x
-2+6=x
x=4
x=4 y=-1
Answer Link
VER TODAS LAS RESPUESTAS ( 33+ )
Otras preguntas
30mL:45mL simplify the ratio
Simplify i 41 A) i B)-1 C)-i D) 1
Simplify: e^(1+lnx)
when is 2cos x + 1 >0 , < 0 AND = 0
Simplify i 41 A) i B)-1 C)-i D) 1
What does William Wordsworth mean by "my heart with pleasure fills" in the following bolded line? I wandered lonely as a cloud That floats on high o'er vales an
Use the linearization (1+x)^k=1+kx to approximate 1.002^100
Which of the following represents 3x - 5y + 10 = 0 written in slope-intercept form
in the 1860 election, which party won a majority of the electoral votes in southern states? select the best answer from the choices provided. democratic party
Find the area of the shaded region. Leave your answer in terms of and in simplest radical form.
