Isolate variable by subtraction: Isolate the variable s by subtracting 49 from both sides of the equation.4=s+494−49=s+49−49
Perform subtraction with common denominator: Perform the subtraction on the left side of the equation.To subtract fractions, we need a common denominator. Since 4 is the same as 416, we can rewrite the equation as:416−49=s
Subtract numerators with common denominator: Subtract the numerators and keep the common denominator.(16−9)/4=s7/4=s
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