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If 9-2x =35
-2x = 35-9
-2x = 26
-x = 13
x = -13
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Reneif 9 - 2x = 35
then 9-2x-9 =35-9
-2x = 26
we want make 'x' subject of this equation then we divide both sides by -2
-2x/-2 = 26/-2
x = -13
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