Ariandraaliyah Ariandraaliyah
  • 12-12-2020
  • Mathematics
contestada

Solve the system by substitution.
-2y = x
7x+9y = -45

Respuesta :

daniyal04
daniyal04 daniyal04
  • 12-12-2020

Answer:

9

Step-by-step explanation:

substitute the value

Answer Link

Otras preguntas

1) What are the differences between being a biological parent, an adoptive parent, anda foster parent?
with symbolism authors use concrete objects to represent what?
Which personal pronoun agrees with its antecedent and correctly completes the sentence? Each of Tom's grandmothers once took __________ vacation in Colorado Spr
What is the standard form of x/4 - y/3 =1 and 5/x - 2/y=7.
Shays’ Rebellion of 1786 was significant because it (1) showed that the English still had influence after the American Revolution (2) convinced many
what domain and range of f(x)=lxl/x
Many different species of songbirds migrate into the United States and Canada from Central and South America each summer in order to take advantage of the cater
A woman jogging at 6 mi/h passes a man biking in the opposite direction at 12 mi/h. If they maintain their speeds, how far from each other will they be 10 minut
which quantity can be calculated for a solid compound, given only the formula of the compound and the periodic table of the elements
You've decided on an idea for an essay you've been assigned to write. What should you do next? A. Conduct interviews, do some research, ask questions, and make