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Solution equation: 18: x = 1 / 6
18：x=1/6
x=18÷1/6
x=108
Solve the equation. 3 ^ x-3 ^ - x = 80 / 9
Substitution method X = 2
Solve the equation x △ 80 ℅ 10.9 = 3
9 = 3
x÷80℅=3-0.9
x÷80℅=2.1
x=2.1x80%
x=1.68
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How to solve the equation: 3x = 80 + X?
2x=80
x=40
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