[tex]5g+4(-5+3g)=1-g\ \ \ |use\ distributive\ property\ a(b+c)=ab+ac\\\\5g+4(-5)+4(3g)=1-g\\\\5g-20+12g=1-g\\\\5g+12g-20=1-g\\\\17g-20=1-g\ \ \ |add\ 20\ to\ both\ sides\\\\17g=21-g\ \ \ |add\ "g"\ to\ both\ sides\\\\18g=21\ \ \ \ |divide\ both\ sides\ by\ 18\\\\g=\dfrac{21}{18}\\\\g=\dfrac{21:3}{18:3}\\\\\huge\boxed{g=\frac{7}{6}=\frac{6+1}{6}=\frac{6}{6}+\frac{1}{6}=1\frac{1}{6}}[/tex]