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Elina [12.6K]
2 years ago
10

Sophia's mom spent on party bags and ice cream for her birthday party.

Mathematics
1 answer:
Katen [24]2 years ago
5 0

Answer & Step-by-step explanation:

i = 2

b = 150

---------------------------------------------------------------------------------------------------------------

The equations:

i= b-148

or

b= i+148

or

b-i = 148

I am not really sure which equation you want, but I hope this helps!!!

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Best of Luck!

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Solve this system of linear equations. separate the x- and y- values with a coma. -12x=-75-11y
ycow [4]
Solve the following system:
{-12 x = -11 y - 75 | (equation 1)
{-5 x = -11 y - 89 | (equation 2)
Express the system in standard form:
{-(12 x) + 11 y = -75 | (equation 1)
{-(5 x) + 11 y = -89 | (equation 2)
Subtract 5/12 × (equation 1) from equation 2:
{-(12 x) + 11 y = -75 | (equation 1)
{0 x+(77 y)/12 = (-231)/4 | (equation 2)
Multiply equation 2 by 12/77:
{-(12 x) + 11 y = -75 | (equation 1)
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Subtract 11 × (equation 2) from equation 1:
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Divide equation 1 by -12:
{x+0 y = -2 | (equation 1)
{0 x+y = -9 | (equation 2)
Collect results:
Answer:  {x = -2                {y = -9

please note that the parentheses "{" should span over both equations but the editor doesn't allow that so I should it on both line, See attached example.










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3 years ago
Is the following argument valid?
cestrela7 [59]
I believe the answer is A! I hope that's correct! :)
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3 years ago
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