Question 241486
1.5+3y=9
3y=1.5-9
3y=-7.5
y=-7.5/3
y=-2.5 ans.
{{{ graph( 300, 200, -6, 5, -10, 10, y = -2.5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = -2.5).