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2 years ago

12

-x + 3y − z = -9 x − 2y + 2z = 8 2x − y + z = 7

1 answer:

evablogger [386]2 years ago

3 0

Answer:

(x,y,z)=(2,-2,1)

Step-by-step explanation:

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Evaluate the expression when a = 7 and c= -4.<br> -a+5c<br> pls help

charle [14.2K]

Answer:

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Step-by-step explanation:

a = 7 and c = -4

- a + 5 c

- ( 7 ) + 5 ( - 4 )

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Step-by-step explanation:

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3 years ago

Read 2 more answers

For which value of x is the equation 3x + x = 2x + 24 true?

Lynna [10]

Answer:

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Step-by-step explanation:

3x+x=2x+24

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3 years ago

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