Answer:y = 2xStep-by-step explanation:Note the relationship between x and y, that isx = - 42 β y = - 84 β that is y = 2xx = - 14 β y = - 28 β that is y = 2xx = 14 β y = 28 β that is y = 2xx = 42 β y = 84 β that is y = 2xThus the linear equation is y = 2x