Lamarda62 Lamarda62
  • 10-04-2015
  • Mathematics
contestada

Y=-5x and 21x-7y=28 using substation method

Respuesta :

parkerandrew92
parkerandrew92 parkerandrew92
  • 10-04-2015
21x - 7(-5x) = 28

21x + 35x = 28

56x=28
56 = 56
x = .5 or 1/2
Answer Link

Otras preguntas

________ are a major source of restriction enzymes.
What did it look like for women, in the 18th century, who were past their prime for marriage and were looking to get married? If you pull an answer from a sourc
ate. 650 ft² 3h 2,- 650- 650 X X square feet per hour​
Find the volume of the following figures. 1: V= 2: V= 3: V= 4: V= 5: V= 6: V= 7: V= 8: V= 9: V=
Help please! A motorcycle traveling on the highway at a speed of 80.0 mi/hr passes a car traveling at a speed of 60.0 mi/hr. From the point of view (or frame of
Write sentences to explain which three elements make up almost the earth’s crust. Use evidence from the text to support your response. 2. Explain to your class
How does Article V affect the laws outlined in the US Constitution?
What were the effects of European migration?
How many prime numbers are there between 10 and 99?
Reduce to simplest form. Divide the numerator and denominator by the greatest common factor, 3. [?] 15 27 = Enter the number that belongs in the numerator.