putaprincess16
23.09.2019 •
Mathematics
Y=-3x+5 5x-4y=-3 enter the answer as an ordered pair
Solved
Show answers
More tips
Answers on questions: Mathematics
- M Mathematics Preferred stock dividends: Group of answer choices are only paid if common stock dividends are also paid. can be deferred indefinitely. are a tax-deductible business...
- M Mathematics Tell a short thing about your lovely mother...
- M Mathematics Find the area of this parallelogram....
- M Mathematics A biologist wants to compare the proportions of rainbow trout infected with whirling disease (an illness of trout and salmon caused by a microscopic parasite) coming...
- E English Which sentence uses the underlined vocabulary word incorrectly?...
- B Biology Human activities emit over 8 gigatons of carbon each year, but this is far more than actually accumulates in the atmosphere. Where does the rest of the carbon go?...
Ответ:
(1, 2).
Step-by-step explanation:
y = -3x + 5(1)
5x - 4y = -3
4y = 5x + 3 (2)
Multiply equation (1) by -4:
-4y = 12x - 20(3)
Adding (2) + (3):
0 = 17x - 17
x = 1
Substitute x = 1 in equation (1):
y = -3(1) + 5
y = 2.
Check in equation 2:
4(2) = 5(1) + 3
8 = 8 so we are correct.+
Ответ:
X=7
Step-by-step explanation:
I think it is. let me know.