Which of these shows the result of using the first equations to substitute or y in the seconds equations then combining like term? y=3x2x+3y=55a.5x=55b.9×=55c.11×=55d .5y=55

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The answer in C.11×=55

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yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

maybe showing the graph would

step-by-step explanation:

-387129 iq