Systems of two linear equations in two variables

Easy Math · Algebra · Systems of two linear equations in two variables · MCQ

$y = - 3 x$

$4 x + y = 15$

The solution to the given system of equations is $(x, y)$ . What is the value of $x$ ?

A
$1$
B
$5$
C
$15$
D
$45$

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id cb_question_bank:b3a9592e-cc4c-423c-a702-7f1ad0c4cd47 · question 4ec95eab · JSON