Constant - Is a number, in an equation, a constant or a variable? , Variable - Is a letter, in an equation, a constant or a variable? , X = 4 - 3 + X = 7 , X = 5  - (9 - 4 ) + X = 10 , X = 11 - X - 6 = 5 , 10 = X - 6 = X - 4 , 5 = X - 10 = X + 5 , X = 3 - 15 - X = 12 ,

Equations with 1 Variable (Isolate and Solve)

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