(45-x)-5 =0 what is the solution of these equation
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(45-x)-5=0 45-x-5=0 45-5-x=0 40-x=0 40=x
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solution
(45-x)-5=0
45-x-5=0
⇒-x+40=0
⇒-x=-40
⇒x=40
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