janethgonzez2003 janethgonzez2003
  • 11-12-2019
  • Mathematics
contestada

Solve each system by elimination.
-7x+9y=16
7x-8y=-8

Respuesta :

Yang100
Yang100 Yang100
  • 13-12-2019

Answer:

x=8, y=8. (8, 8).

Step-by-step explanation:

-7x+9y=16

7x-8y=-8

----------------

y=8

7x-8(8)=-8

7x-64=-8

7x=-8+64

7x=56

x=56/7

x=8

Answer Link

Otras preguntas

Which two numbers on the right will you use to calculate 3 x 9?
please solve 5x+3x-2x=
The quotient of 7 and the difference of a number and 8.
A percent is a rate in which the first term is compared to ______
What is the volume of a rectangular sandbox that is 3 feet by 4 feet by 1 foot? 13 ft 3 8 ft 3 12 ft 3 7 ft 3
One number is ten more than twice another. Their sum is one. Find the numbers.​
Line j is parallel to line k. Find the m
What was the impetus for founding Blackwater USA in 1997?
which of these thinking skills is most useful for generating a valid thesis statement based in the results if your reason A) Synthesizing B) Analyzing C) Descri
Please help me do this :)))))))