Explanation:
y-3=-2(x+5) | Given
y - 3 = 2x + 10 | Distribute the 2, multiply the terms inside of the parenthesis by the outside number (2).
y = 2x + 13 | Add 3 to both sides.
The slope is 2/1 (2x or 2) and the y-intercept is (0, 10).
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