Q. Three consecutive integers sum to 21. Which integers are they?_____, _____, _____
Define Integers: Let x be the first integer. The three consecutive integers can be represented as x, x+1, and x+2.
Set Up Equation: Set up the equation to represent the sum of the three consecutive integers equal to 21: x+(x+1)+(x+2)=21.
Simplify Equation: Simplify the equation: x+x+1+x+2=21. Combine like terms: 3x+3=21.
Isolate Variable Term: Isolate the variable term by subtracting 3 from both sides of the equation: 3x+3−3=21−3, which simplifies to 3x=18.
Solve for x: Divide both sides of the equation by 3 to solve for x: 33x=318, which simplifies to x=6.
Find Consecutive Integers: Now that we have the value of x, we can find the three consecutive integers: x=6, x+1=6+1, x+2=6+2. Therefore, the integers are 6, 7, and 8.