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tanabugg
17.07.2021 •
Mathematics
Evaluate (mm)(x) for x=-3
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Ответ:
Step-by-step explanation:
Maybe
(m²)(-3)
-3m²
hope it helps
Ответ:
answer:
{x,y} = {-6/11,9/11}
step-by-step explanation:
[1] 2x + 5y = 3
[2] -x + 3y = 3
// solve equation [2] for the variable x
[2] x = 3y - 3
// plug this in for variable x in equation [1]
[1] 2•(3y-3) + 5y = 3
[1] 11y = 9
// solve equation [1] for the variable y
[1] 11y = 9
[1] y = 9/11
// by now we know this much :
x = 3y-3
y = 9/11
// use the y value to solve for x
x = 3(9/11)-3 = -6/11
solution :
{x,y} = {-6/11,9/11}