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OpenStudy (anonymous):
please help will give medal and fan!!! Solve the system of equations by substitution. What is the solution for x? 2x + y = 1 4x + 2y = -2
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OpenStudy (anonymous):
x = 0 x = 2 There is no x value as there is no solution. x can be any value as there is an infinite number of solutions.
OpenStudy (anonymous):
@Hero
OpenStudy (anonymous):
ok let's do this problem with substitution.
OpenStudy (anonymous):
|dw:1400451764804:dw|
OpenStudy (anonymous):
Then we plug in y = 1-2x into the OTHER equation:
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OpenStudy (anonymous):
|dw:1400451792151:dw|
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