alyahmonroe39 alyahmonroe39
  • 02-11-2020
  • Mathematics
contestada

HELP PLEASE!! Solve the system of equations 7x – 8y = - 7 and - 4x + 5y=1
equations.
1 by combining the
(7x -8y -7)
4x +5y = 1)
= -7
7x -8y
- 4x +5y
3 + 0 y=
-
1
try
O

Respuesta :

emmymstarr emmymstarr
  • 03-11-2020

Answer:

(-9,-7)

Step-by-step explanation:

35x-40y=-35

-32x+40y=8

3x=-27

x=-9

-63-8y=-7

-8y=56

y=-7

Answer Link

Otras preguntas

Make x the subject of each of the following formulae: a) y = 2x - 1 b) y = x/2 + 3
Luna programs two number generating functions. If you plug in an domain , it generates a new output value. Her first function rule is f(x)=x+7. The second funct
Usually a WAN covers no more than one building. Group of answer choices True False
Answer the following question in 3-4 complete sentences. Explain the following terms: - proportion - emphasis - form
1. How was Blincoe's first day of work in the mill?
Giúp với mng ơi yêu mng <3 béo ị
Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 3.17 m away from a waterfall 0.432 m in height, at what minimum speed must a
See question in image.Find x ​
There were tears and _________as they said goodbye. A. embraced B. embracing C. embrace D. embraces
What value of x makes this proportion true? 36/48 = x/24