The quotient of nine times a number and seven ?

Mathematics

1 answer:

IRISSAK [1]3 years ago

7 0

9/7n is the answer i am pretty sure

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In order to solve the following system of equations by addition, which of the

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Multiply the top equation by -3 and the bottom equation by 2

Step-by-step explanation:

Given system of equations:

$\begin{cases}4x-2y=7\\3x-3y=15 \end{cases}$

To solve the given system of equations by addition, make one of the variables in both equations sum to zero. To do this, the chosen variable must have the same coefficient, but it should be negative in one equation and positive in the other, so that when the two equations are added together, the variable is eliminated.

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