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natita [175]
3 years ago
14

What is 10x+ 5y =30 in function form

Mathematics
1 answer:
sveticcg [70]3 years ago
3 0
The answer would be y=3 over 5
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6 0
3 years ago
Select the correct answer from each drop-down menu. A system of equations and its solution are given system A x-y=7 -3x+9y=-39 s
galina1969 [7]

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Step-by-step explanation:

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Divide the second equation by 3

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Add this to the first equation

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-x +3y = -13

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

0x +2y = -6

Divide by 2

2y/2 = -6/2

y = -3

Now find x

x-y = 7

x -(-3) = 7

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Subtract 3 from each side

x = 4

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Or by substitution

x-y=7  

solve for x

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Substitute y+7 in for x

-3(7+y) +9y = -39

Distribute

-21 -3y +9y = -39

Combine like terms

-21 +6y = -39

Add 21 to each side

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3 years ago
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