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connorvoss5805
27.09.2019 •
Mathematics
−3x+7y=5x+2y
complete the missing value in the solution to the equation.
(-
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Ответ:
(- 5, - 8)
Step-by-step explanation:
Given
- 3x + 7y = 5x + 2y ( subtract 2y from both sides )
- 3x + 5y = 5x ( add 3x to both sides )
5y = 8x ← substitute x = - 5
5y = 8 × - 5 = - 40 ( divide both sides by 5 )
y = - 8
Solution is (- 5, - 8)
Ответ:
Y= -8. The complete point is (-5, -8)
Step-by-step explanation:
You have a two incognita equation.
To solve this you need another equation or some resolution number.
In this case, they tell you to complete an (X, Y) point this means they give you one of the incognitas -5.
So, use that number to replace the X and you'll have a simple one incognita equation.
replace x = -5
Move the Y terms to one side and no Y terms to the other to solve
Ответ:
j
Step-by-step explanation: