Question

simplify the following 19x-[-10y-{4z-(8y-7x+3y)}]​

Answer 1

Answer:

The given equations are:

x+2y+5=0

−3x−6y+1=0

From the given equation we have:

a

2

a

1

=

−3

1

b

2

b

1

=

−6

2

=

−3

1

c

2

c

1

=

1

5

⇒

a

2

a

1

=

b

2

b

1



=

c

2

c

1

Hence pair of equations have no solution.

Step-by-step explanation:

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Answer 2

Answer:

12x+21y-4z

Step-by-step explanation:

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