Systems of two linear equations in two variables

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

$Equation 1: 7 x minus 5 y, equals 4. Equation 2: 4 x minus 8 y, equals 9.$

If $the ordered pair x comma y$ is the solution to the system of equations above, what is the value of $3 x plus 3 y$ ?

A
$negative 13$
B
$negative 5$
C
$5$
D
$13$

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id cb_question_bank:6960b5d1-b11e-4976-b62b-28dc3fe3e76c · question 52cb8ea4 · IBN 029346-DC · JSON