Q. Find the missing number so that the equation has infinitely many solutions. ____x−2=−4x−2
Analyze Equation: Analyze the equation for conditions of infinitely many solutions. Infinitely many solutions occur when both sides of the equation are identical.
Set Up Missing Number: Set up the equation with the missing number.____×x−2=−4x−2To have infinitely many solutions, the coefficients of x and the constant terms on both sides must be the same.
Compare Coefficients: Compare the coefficients of x.Let the missing coefficient be a. Then a should equal −4 for the x terms to match.
Check Constants: Check if the constants match.The constants on both sides are −2, which are already equal.
Conclude Missing Number: Conclude the value of the missing number. Since the coefficients and constants match when a=−4, the missing number is −4.
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