savannahbrookec2896
06.05.2020 •
Mathematics
Consider the system of equations.
x - 4y = 11,
3x + 5y = -1
Which number should you multiply the first equation by to eliminate the x-variable term? A=1 B=-1 C=3 D=-3
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Ответ:
In order to eliminate the x-variable in the first equation, multiply it by -3.
What are simultaneous equations?Simultaneous equations are sets of equations that have to be solved in tandem in order to determine the required values. The two given equations have to be solved together in order to determine the values of x.
What should we multiply the x variable with?In order to eliminate the x-variable in equation 1, the value of x in equation 1 and 2 have to be the same. Thus, we would multiply equation 1 by -3.
To learn more about simultaneous equations, please check:
Ответ:
the correct answer is C.
I took the quiz and got it right.