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# few math questions Algebra help!?

first question:

1)Is this dependent or independent

9x=3y+12

4=3x-y

2)Solve equation by Substitution

2x+5y=-2

4x+10y=10

3)graph

x+y=1

x-y=-5

### 1 Answer

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- DANIEL GLv 61 decade agoFavorite Answer
1) Dependent.

2) No solution.

3) i. Graph going up and to the left, crossing at (1,0) and (0,1)

ii. Graph going up and to the right crossing at (-5,0) and (0,5)

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