Q. Is s=2 a solution to this equation?90=s78Choices:(A)yes(B)no
Substitute s=2: We have the equation 90=s78. We need to determine if s=2 is a solution to this equation.Substitute s=2 into the equation to see if the two sides are equal.Equation after substitution: 90=278
Simplify division: Simplify the right side of the equation by performing the division. 278=39
Compare left and right: Compare the simplified right side of the equation with the left side.We have 90 on the left side and 39 on the right side after the substitution.Since 90=39, s=2 is not a solution to the equation 90=s78.