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11Alexandr11 [23.1K]
3 years ago
11

Solve the equation. 3 4 (2a − 6) + 1 2 = 2 5 (3a + 20) a =

Mathematics
2 answers:
zvonat [6]3 years ago
7 0

Answer:

a = 40 if simplified :)

ankoles [38]3 years ago
3 0

Answer:

Dear mate your answer is 40...

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Write the augmented matrix for the given system. x + 3y + 5z = -3 -5y + 3z = -8 -8z = -6
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\begin{pmatrix} 1  & 3 &  5 & | &  -3& \\ 0 & 5 & 3 & | &  -8 \\  0 & 0 & -8 & | & -6 \end{pmatrix}

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Hello! I would love to help!

The answer is -10,-1

Basically, you have to fill -10 in for x and -1 in for y in each equation. If the equations are true, that is the right answer!


Hope this helped! Comment if you have questions!







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