halwoodkaty halwoodkaty
  • 02-11-2019
  • Mathematics
contestada

Solve each system by subst
1) y= 63-11
-2x-3y=-7​

Respuesta :

Аноним Аноним
  • 02-11-2019

y= 63-11

y= 52

-2x-3y=-7

-2x-3(52)= -7

-2x-156= -7

move -156 to the other side

sign changes from -156 to +156

-2x-156+156= -7+156

-2x= -7+156

-2x= 149

divide both sides by -2 to get x by itself

-2x/-2= 149/-2

x=- 149/2

Answer:

(-149/2, 52)

Answer Link

Otras preguntas

What is hyperbole? Please help
If A+B=76  and A -B=38 whats A divided by B
Cellular respiration involves a series of chemical reactions. Which of the following is a primary way that enzymes affect these reactions? A. They decrease the
a rectangular field with a area of 8000m2 is enclosed by 400m of fencing. determine dimensions to nearest tenth of a metre
What percent is 150 sq ft of 3000 sq ft
does gas have as definite or indefinite volume
which of the following would not make a good insulator* rubber*plastic*wood*metal
What happens at a conservative plate boundary? Someone please help me in this because I have test today. Aswell please don't copy it from the internet.
What is a Vector and a scalar?
write a paragraph for me using these words: art critic and art historian