Variables Expressions including models
 4x = 7 + 1Which equation does this model represent?4x - 1 = 77 = 4 x -1 A.C.Key:Which model represents this equation?= y 5 = 3y + 2B.D.= 1 Write the expression that is represented by the model. Do not put any spaces in your answer.  Use / if you need to show division.Key: = S= 1Hint:  3             = 15 Key:2 = 3x - 1Which equation does this model represent? = x3x + 1 = 2 = 13x - 1 = 2 Which expression shows 9 less than some number? X - 99 - X X • 9X / 9 Which expression shows seven more than 2 times some number? 2n - 77 + n2n ÷ 72n + 7 * Use n as a variable.  Don't use any spaces or = signs and use a / for divisionWrite an expression that shows5 less than 3 times some number. In math, what is a variable?Some number that we can't figure outA symbol that stands for an unknown valuewhat makes an expressionthe answer to an equation What is the variable in this expression?10y - 3(2 +2)(2 + 2)10y10y 3x - 4 = 8843xWhat is the coefficient in this equation?
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