Make it y = mx + b
Subtract 7x to both sides
7x - 7x + y = 3 - 7x
Y = -7x + 3
The slope is -7, the y intercept is 3
The identity property of addition states that a + 0 = a
Your answer is identity property of addition.
Rotated 180 degrees about the origin, not congruent, both rigid.
