Q. Is z=12 a solution to this equation?5z=60Choices:(A) yes(B) no
Identify Equation: We have the equation 5z=60. Identify the equation after substituting z=12. Substitute 12 for z in 5z=60. Equation: 5×12=60
Substitute and Simplify: Perform the multiplication to simplify 5×12. 5×12=60
Check Solution: We found that 5×12 equals 60.Is z=12 a solution to the equation 5z=60?For z=12, the equation becomes 60=60, which is true.So, z=12 is a solution to the equation 5z=60.