Answer:
slope = 10
Explanation:
Solve the equation for "y". In other words, isolate "y":
y + 7 = 10(x - 4)
y = 10(x - 4) - 7
y = 10x - 40 - 7
y = 10x - 47
Above is a linear expression in slope-intercept form "y = mx + b", where "m=slope" and "b=y-intercept". "m=10", so 10 is the slope