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4tazaouiamine1r
02.03.2021 •
Mathematics
Pls I need help it’s a test
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Ответ:
y = 2x + 13
Ответ:
The correct answer is Option C:![2x-3(-3x-4)=-21](/tpl/images/1032/1343/2dce1.png)
Step-by-step explanation:
The given equations are:
The equations have to be solved using substitution method. In substitution method we find the value of a variable from one equation and put it in the other equation.
To find the value, we usually choose the equation in which a variable without any coefficient is available.
From equation 1
This value of y will be put in equation 2
It is the C option in choices
Hence,
The correct answer is Option C:![2x-3(-3x-4)=-21](/tpl/images/1032/1343/2dce1.png)