Is this answer right ? Use the substitution method to solve the following system of equations.

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Is this answer right ? Use the substitution method to solve the following system of equations.

[From: ] [author: ] [Date: 11-09-11] [Hit: ]

there is no answer !the lines are parallel.........

x + y = 3
2x + 2y = 10

a.No Solutions
b.(2, 3)
c.Infinitely Many Solutions
d. (1, 2)

Help please

-

no solution.
y=3-x
2x+2(3-x)=10
2x+6-2x=10
0=4
a) no solution

-

...there is no work...there is no answer !

x = 3 - y

substitute in the second equation:

(3 - y) + y = 5

3 = 5

the lines are parallel...there is NO Solution

@Σ

1

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