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OpenStudy (anonymous):
Solve the system of linear equations below. y = -2x + 19 y = x + 7
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OpenStudy (anonymous):
do you know how to do simultaneous equation
OpenStudy (anonymous):
no
OpenStudy (anonymous):
ok then, for the second equation you have y=x+7 treat this as the value of y and substitute that into the first
OpenStudy (anonymous):
so it should look like this x+7=-2x+19
OpenStudy (anonymous):
now you can solve for x
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OpenStudy (anonymous):
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