fisherjake510 fisherjake510
  • 01-08-2017
  • Mathematics
contestada

Solve the system using elimination. x + 2y = –6 3x + 8y = –20

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-08-2017
x + 2y = -6....multiply by -3
3x + 8y = -20
---------------
-3x - 6y = 18 (result of multiplying by -3)
3x + 8y = -20
--------------add
2y = -2
y = -2/2
y = -1 <===

x + 2y = -6
x + 2(-1) = -6
x - 2 = -6
x = -6 + 2
x = -4 <==

solution is (-4,-1)
Answer Link

Otras preguntas

In which decade was Martin Luther King Jr. born
Please helppp!!!!!!!!!
In south wind, the wind is coming from the
Who emphasized the importance of play in the development of the self, noting that children learn to take on the role of the other and eventually learn to percei
A new Community Wellness Complex is being built in Oak Valley. The perimeter of the rectangular playing field is 284 yards. The length of the field is 5 yards
Which of the following is an action employers must take when providing construction workers with fall protection
Which best describes how producers benefit from specialization? Producers can increase their profits. Producers can expand their market. Producers can offer a w
____ is the process whereby children acquire knowledge about the language, values, etiquette, rules, behaviors, social expectations, and all the subtle, complex
What is 786,302.006 in word form
junior is going to deposit an equal amount of money into a checking account each month until he has saved $2000 the amount of money y in the account after x mon