How do find equations for this?

SUMMARY OUTPUT Regression Statistics Multiple R 0.3199 R Square 0.1023 Adjusted R Square 0.0806 Standard Error 0.1767 Observations 128 equation 2.818+0.131)*einvol+(0.365)*cbrtel+(-0.255)*cbr Very weak linear relationship Only a 10% of cloy is explained by the X variables ANOVA df Significance F 0.0037718 3 Regression Residual Total SS MS F 0.441451672 0.147150557 4.712787735 3.871735828 0.031223676 4.3131875 124 127 Intercept einvol cbrtel cbr Coefficients 2.81851958 0.13091604 0.36504595 -0.25522514 Standard Error 0.46709109 0.05361306 0.15425058 0.11307501 t Stat 6.03419690 2.44186853 2.36657744 -2.25713123 P-value 0.00000002 0.01602206 0.01950205 0.02574983 Lower 95% 1.89401548 0.02480078 0.05974084 -0.47903226 Upper 95% 3.74302368 0.23703130 0.67035107 -0.03141802 Lower 95.0% Upper 95.0% 1.89401548 3.74302368 0.02480078 0.23703130 0.05974084 0.67035107 -0.47903226 -0.03141802