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3 years ago

X+y+z+11=v solve for z

Mathematics

2 answers:

erma4kov [3.2K]3 years ago

7 0

Answer:

Step-by-step explanation:

x+y+x+11=y

Combine x and x to get 2x.

2x+y+11=y

Subtract y from both sides.

2x+11=y−y

Combine y and −y to get 0.

2x+11=0

Subtract 11 from both sides. Anything subtracted from zero gives its negation.

2x=−11

Divide both sides by 2.

x= -11/2

brilliants [131]3 years ago

4 0

Answer:

z=v-x-y-11

Step-by-step explanation:

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Answer:

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3 years ago

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Papessa [141]

Answer:

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Semenov [28]

Answer:

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Step-by-step explanation:

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3 years ago

Find the solution to the system of equations given below using elimination by addition.

mixer [17]

Answer:

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Step-by-step explanation by elimination:

Solve the following system:

{10 x + 10 y = 60 | (equation 1)

5 x - 5 y = 40 | (equation 2)

Subtract 1/2 × (equation 1) from equation 2:

{10 x + 10 y = 60 | (equation 1)

0 x - 10 y = 10 | (equation 2)

Divide equation 1 by 10:

{x + y = 6 | (equation 1)

0 x - 10 y = 10 | (equation 2)

Divide equation 2 by 10:

{x + y = 6 | (equation 1)

0 x - y = 1 | (equation 2)

Multiply equation 2 by -1:

{x + y = 6 | (equation 1)

0 x+y = -1 | (equation 2)

Subtract equation 2 from equation 1:

{x+0 y = 7 | (equation 1)

0 x+y = -1 | (equation 2)

Collect results:

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4 years ago