Answer:
-3
Step-by-step explanation:
Method 1
The slope of a linear equation in standard form:
Ax + By = C
is −A/B
Method 2
3x + y = 7 can be converted into slope intercept form:
y = −3x + 7
where a linear equation in slope-intercept form:
y = mx + b
has a slope of m
and a y-intercept of b
Hope it helps,
Godbless
