Joseph B. answered 04/18/20
Tutor
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Experienced SAT, Algebra, Geometry, Trig and Pre-Calculus tutor
A =
|-3 4|
|2. -3|
|-1 0|
B =
|4 1|
|1 -2|
|3 -4|
2B =
|8 2|
|2 -4|
|6 -8|
2A - 3B =
|-18 5|
|1 0|
|-11 12|