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OpenStudy (anonymous):
function of 2x+7y=-7 -4x-3y=-19
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OpenStudy (kl0723):
solving for x?
OpenStudy (anonymous):
system of equations
OpenStudy (anonymous):
answer format is (a,b)
OpenStudy (kl0723):
in a system of equations just multiply the top part times 2: 4x +14y = -14 -4x + -3y = -19... cancel x values and get 11y = -33, y =-3 now plug in y value into equation #1 and solve for value of x... 2x + 7(-3) = -7... 2x = -7 + 21 2x = 14... x = 7 Answer = (7,-3)
OpenStudy (anonymous):
thank you!
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OpenStudy (kl0723):
yw
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