If A = (-5 2) and 2A + 3B = (-7 4) then find the value of B.
Answers
Answered by
3
Answer:
A=(-5 2)
Step-by-step explanation:
2A+3B=(-7 4)
2(-5 2)+3B=(-7 4)
-10 4+3B=(-7 4)
3B=-7+10
3b=3
b=1
Answered by
4
Answer:
your ans
Step-by-step explanation:
A=-52
2A+3B=-74
=>2×-52+3B=-74
=>-104+3B=-74
=>3B=-74+104
=>B=30/3
=>B=10
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