Q. Is w=7 a solution to this equation? 1=−3+wChoices:(A)yes(B)no
Identify and Substitute: Identify the equation and substitute w=7 into it.Substitute 7 for w in 1=−3+w.Equation after substitution: 1=−3+7
Simplify and Calculate: Simplify the right side of the equation.Calculate –3+7.–3+7=4
Compare and Evaluate: Compare the simplified value with the left side of the equation.We found: 1=4, which is not true.So, w=7 is not a solution to the equation 1=−3+w.