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Mathematics 21 Online
OpenStudy (anonymous):

Solve the system of linear equations below. y = -2x + 19 y = x + 7

OpenStudy (luigi0210):

Use substitution

OpenStudy (luigi0210):

You could rewrite it as \(x+7=-2x+19\) Solve it that way for x

OpenStudy (anonymous):

i got 10 but these are my answer choices x = 4, y = 11 x = -12, y = -5 x = -4, y = 3 x = 8, y = 3

OpenStudy (luigi0210):

Did you do the math correctly? Add 2x: \(3x+7=19\) Now subtract 7: \(3x=12\) Finish it.

OpenStudy (anonymous):

for the top one i got two. i dont think im understanding this right let me try agian

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