Answer:

Explanation:
The point-slope form of an equation of a line:

m - slope
The formula of a slope:

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We have two points (-6, -2) and (6, 8).
Calculate the slope:

Put it and the coordinates of the point (6, 8) to the equation of a line:

Convert to the slope-intercept form y = mx + b:
use the distributive property a(b + c) = ab + ac

add 8 to both sides

Convert to the standard form Ax + By = C:
multiply both sides by 3

subtract 2x from both sides
change the signs
