nana132 nana132
  • 22-09-2017
  • Mathematics
contestada

can someone help am not sure how to do this -2x+3y=-10
2x+y=-14
HELP

Respuesta :

wolf1728
wolf1728 wolf1728
  • 22-09-2017
A) -2x+3y=-10
B) 2x+y=-14
Adding the equations we get
4y = -24
y = -6

Inserting y = -6 into equation B)
B) 2x -6 = -14
2x = -8
x = -4
Answer Link

Otras preguntas

is 0.31 greater or less than 0.13
The product of two consecutive multiples of 5 is 500.what are these numbers?
How do I convert from y = mx + b form to Ax + By + C = 0 form? The line is y = 2x - 4. Thanks. :)
Please help me answer this question
Victor pays $1200 rent. If his monthly salary is $3800, what percent of his monthly salary is his rent? Round to the nearest tenth of a percent.
Explain how you would write 7\8 as a rate per 100?
Annie rappels down a cliff in 3 jumps of 6.5 feet each.  Use a positive or negative number to express the change in her altitude.
A 12 oz bottle of shampoo last 16 weeks. How long would you expect an 18 oz bottle to last
What are the steps to solve x+1 over 3 = y-5 over 2, for y
Linear functions? Converting to different forms??How do I convert 2x + y - 3 = 0 to y=mx + b form? Thank you so much. :)I thought that it was general form...But