2. 25x=50 3. 115+118+81+(2x+8)=360
divide both sides by 3 similarly if 25 x = 50 divide both sides by 25 115 + 118 + 81 + 8 = 322 so 2 x + 322 = 360 subtract 322 from both sides 2 x = 38 divide both sides by 2
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