Q. Find the missing number so that the equation has infinitely many solutions.−5x+=−5x−16
Identical Form: When does this equation have infinitely many solutions?Infinitely many solutions occur when the both sides of the equation are identical in form.
Coefficients and Constants: -5x + ____ = -5x - 16To have infinitely many solutions, the coefficients of x must be the same on both sides, which they already are, and the constants must also be the same.
Find Missing Constant: Since the coefficients of x are the same, we need to find the missing constant that will make the constants on both sides of the equation equal.The missing number must be −16, so that the equation becomes −5x−16=−5x−16.
Substitute and Verify: By substituting −16 for the blank, we get:−5x−16=−5x−16This equation is true for all values of x, which means it has infinitely many solutions.
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