desiiraee6265
18.11.2019 •
Mathematics
10 pts
solve for x.
7(x+14)=−343
enter your answer in the box.
Solved
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Ответ:
distribute the 7:
7x + 98 = -343
subtract 98:
7x = -441
divide out 7:
x = -63
Ответ:
Simplify.
7x + 98 = -343
Subtract 98 from both sides.
7x = -343 - 98
Simplify.
7x = -441
Divide both sides by 7.
x = -63
~Hope I helped!~
Ответ:
y= -1x + 8
Step-by-step explanation:
so we have to know that the side of Triangle DEF that is parallel segment BC is EF.
we know that the side EF contains the coordinates (4,4) and (6,2).
So we could use this to find the slope for side EF by finding the difference in the y values and dividing it by the difference in the x values.
4-2= 2
4-6= -2
2/-2= -1 so the slope is negative one.
Now we have to find the y-intercept so we could plot in the x and y values and the slope into the equation y=mx + b to find the y-intercept.
In the coordinates (6,2) 6 is the x value and 2 is the y value.
so we put it like this 2=-1(6) + B where -1 is the slope.
2= -6 + b add 6 to both sides and b= 8.
so now we know the slope and the y-intercept so we will write the equation like this. y= -1x + 8