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Mathematics 10 Online
OpenStudy (anonymous):

INSTANT MEDAL! Solve the system of equations and choose the correct ordered pair. 3x - 4y = 13 2x + 4y = 2 is it (3, - 1) ? or (5, -2) ?

OpenStudy (anonymous):

add in a column get \[5x=15\] then solve for \(x\) and get \(x=15\div 5=3\)

OpenStudy (anonymous):

adding on the what @satellite73 said plug that bad boy back into one of the equations to get 3(3)-4y = 13 to find y so y = -1

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

yeah! 3, -1 thanks you guys

OpenStudy (agent0smith):

@robz8 "plug that bad boy back into one of the equations" any excuse to use the phrase "that bad boy" is worthy of a medal.

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