linear equation
Write four solutions of
2a-b=9
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Step-by-step explanation:
2a-b=9.
2a=9+b.
a=9+b/2.
2a-b=9.
-b =9-2a.
2a-b=9.
2(a-1/2b)=9.
a-1/2b=9/2
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