9jm52rbytr 9jm52rbytr
  • 22-08-2021
  • Mathematics
contestada

solve using substitution
y = 3x - 4
3x + y = -4

Respuesta :

ghaithgh
ghaithgh ghaithgh
  • 22-08-2021

y= 3x –4

3x + y = –4

3x + (3x –4) = –4

3x+3x – 4 = – 4

6x = – 4 +4

6x=0 —> x= 0/6 —> x=0

x = 0

y = 3x – 4 —> y = 3(0) – 4 = – 4

y = – 4

So; (x , y) —> (0 , – 4 )

I hope I helped you^_^

Answer Link
rijarafiquee
rijarafiquee rijarafiquee
  • 22-08-2021

Answer:

(0,-4)

Step-by-step explanation:

3x + y = -4

3x + (3x - 4) = -4

3x + 3x - 4 = -4

6x = 0

x = 0

y = 3(0) - 4

y = -4

Answer Link

Otras preguntas

a retailer buys a shirt in bulk at a unit price of $18. the shirt is marked up 36%to sell in the store. what is the price of the shirt in the store
a sporting goods store offers a 40% discount on all gulf clubs. rocco spent 20% of the money in his savings account on a golf putter. he paid $48 for the putter
Explain how can you use the Associative Property to evaluate (7*50)*4.
What happened during the holocaust?
A speedy river barge bound for New Orleans, Louisiana leaves Baton Rouge at 9:00 a.m. and travels at a speed of 10 miles per hour. A rail transport freight also
Solve for " x " --- 20/x = 4/9 ? explain. (:
Why can't you change the subscripts in a formula in order to balance a chemical equation?
what is the numerical expression for half the sum of 11 and negative  3andthe absolute value of  negative 62
Simplify the expression 7v + 2w-12v
Describe how trade contributed to United States territorial growth.