Question

how do you create a linear equation?

Answer 1

y = mx + b

where m is the slope
b is y-intercpt.

Answer 2

well, you need some lines

Answer 3

find to points to equate :)

Answer 4

Write an equation where power of the variables is one with constant coefficients:

For example, y = ax + bx + cx + 3y + 6z, all variables have exponent equal to 1.