Q. Is t=11 a solution to this equation?18=7+tChoices:(A) yes(B) no
Identify Equation & Value: Identify the equation and the value to be substituted.We have the equation 18=7+t and we need to check if t=11 is a solution to this equation.
Substitute Value: Substitute the value of t into the equation.Substitute t=11 into the equation: 18=7+11.
Perform Addition: Perform the addition on the right side of the equation.Calculate 7+11 to get 18.
Compare Results: Compare the result with the left side of the equation.After the calculation, we have 18=18, which is true.
Determine Solution: Determine if t=11 is a solution to the equation.Since both sides of the equation are equal when t=11, we can conclude that t=11 is indeed a solution to the equation 18=7+t.