Identify the property of equality that makes Equation 1 and Equation 2 equivalent. Equation 1
4.2x – 1.5 = 1.7x + 8.3
Equation 2
42x - 15 = 17x + 83

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

If 3x+8=3x+8 is it one solution or no solution

Can you me find the missing length. i attached an image.