[tex]The \ general \ form \ of \ a \ straight-line \ equation \ is: \\ y=mx+b\\\\1.)\\\\4x-3y=24\\\\-3y=-4x+24\ \ /:(-3)\\\\y=\frac{4}{3}x-8[/tex]
[tex]x=0 \to \y= \frac{4}{3}\cdot 0 -8=-8\\\\y=0 \to \ 0=\frac{4}{3}x-8\\\\\frac{4}{3}x=8\ \ / \cdot \frac{3}{4}\\\\x=6[/tex]
[tex]2.)\\\\2x+2y=16\\\\2y=-2x+16 \ \ / :2\\\\y=-x+8[/tex]
[tex]y=-x+8 x=0 \to y=-0+8=8\\\\y=0 \to\ \ 0=-x+8\\\\x=8[/tex]