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21. What is the slope of the line 3x + y = 7 ​

Sagot :

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