-213+x=-312
x=-312+213
x=-99
Answer:
Maybe is 0,999999999999999....
Step-by-step explanation:
Answer:
If the line goes through the origin, (0,0), that means the linear equation is proportional, if it doesn't go through the origin, the equation isn't proportional.
You can also tell if a linear equation is proportional if the equation has an constant after the x (for example y=2x+6)
Step-by-step explanation:
its 3n+7