Identify Equation: We have the equation 5g=20. Identify the equation after substituting g=4.Substitute 4 for g in 5g=20.Equation: 5×4=20
Substitute and Simplify: Perform the multiplication to simplify 5×4.5×4=20
Compare Results: Compare the result of the multiplication with the right side of the equation.Since 5×4 equals 20, and the right side of the equation is also 20, the two sides are equal.
Verify Solution: Determine if g=4 is a solution to the equation 5g=20. Because both sides of the equation are equal when g=4, we can conclude that g=4 is indeed a solution to the equation 5g=20.