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1) 2x - 7 = 8
=) 2x = 8+7
=) x = 15/2
=) x = 7.5
2) 3(2x+7) = 7x-15
=) 6x+21 = 7x-15
=) 21+15 = 7x-6x
=) 36 = x
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1. ⭐️⭐️⭐️⭐️⭐️2x=8+7
2x=15
x = 15/2
2. ⭐️⭐️⭐️⭐️⭐️⭐️6x+21=7x-15
21=7x-15-6x
21+15=x
36=x
x=36✌✌✌✌
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