hannasofia1osrndd hannasofia1osrndd
  • 20-08-2017
  • Mathematics
contestada

​−5x+2y=9
y=7x
x=?
y=?
Solve for both y and x

Respuesta :

texaschic101
texaschic101 texaschic101
  • 20-08-2017
-5x + 2y = 9
y = 7x

-5x + 2(7x) = 9
-5x + 14x = 9
9x = 9
x = 9/9
x = 1

y = 7x
y = 7(1)
y = 7

solution is (1,7)...x = 1 and y = 7 <==
Answer Link
Аноним Аноним
  • 20-08-2017
y = 7x

-5x + 2y = 9

-5x + 2*(7x) = 9

-5x + 14x = 9

9x = 9

--- x = 1

--- y = 7x = 7*1 = 7

Thus, x is 1 and y is 7.
Answer Link
ACCESS MORE

Otras preguntas

"It felt as if the whole globe was dressed in snow." Simile or metaphor?
Can someone give me an explanation of Meiosis?
Name three items that currently are enhanced due to the embedded computer technology
help plzzzzz zzzzz zz z z z z z zz
Suppose that you show a small boy two bars of fresh fudge that are equal on all dimensions (exactly the same size, shape, and weight). you ask him if the two ba
the effect of the bill of right?
In the third century, bands of savage barbarians
You take a bite out of a square cracker. The shape of the bite is a quarter circle. a. Find the perimeter and area of the cracker remaining. b. About how many b
The cost of soup, s, varies directly with the number of cans, c. When c is 4, the cost is $3. Which graph represents the cost of the soup?
The goal of the Nuremberg laws was to