lulustar13 lulustar13
  • 04-02-2019
  • Mathematics
contestada

Solve this equation using substitution.

{4x + y = −2}
{4x + 6y = 44}

Respuesta :

mathecoach
mathecoach mathecoach
  • 04-02-2019

Answer:

4x + y = −2 --> 4x = -y - 2

4x + 6y = 44

Substitute 4x in the 2. equation.

(-y - 2) + 6y = 44

5y - 2 = 44

5y = 46

y = 9.2

4x = -9.2 - 2

4x = -11.2

x = -2.8


Answer Link

Otras preguntas

Turn the document attached in to a 2 part piano piece of music paper. Please and Thank you!​
A. Tissue B. Organ C. Cell D. Organism
Should things like education be handled at the state, local or federal government?
HELPPPPP MEEEEE find m
Brandon's Crackers will make 8,648 ounces of cheese crackers next year. The company plans to put the crackers into 47-ounce boxes. How many boxes will the compa
Use number properties to simplify the following expression. -5+ (5+3) In the box below, show each step in simplifying the expression and explain which property
Use the table below to prepare notes about how successful, in hindsight, the post-Civil War period was in achieving goals of the Civil War. Remember that one of
Evaluate the following: ✓288÷✓128
Need the answer for this
The discovery of valuable metals in the Americas led to — A. a decrease in European manufacturing. B. an increase in Europeans traveling to the New World. C. an