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3 years ago

13

Evaluate the expression 3c – d for the given variable. d = -c + 7

1 answer:

s2008m [1.1K]3 years ago

5 0

3c-d
3c-(-c+7)
3c+c-7
4c-7
Final answer: 4c-7

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The equation of the parallel line is y = –2x – 11.

Solution:

Given equation of the line is y = –2x – 5.

Slope of this line is $(m_1)$ = –2

To write the equation parallel to this line and passes through (–4, –3).

<em>If two lines are parallel, then they have the same slope.</em>

$\Rightarrow m_1=m_2$

$\Rightarrow m_2 =-2$

<u>Point-slope formula:</u>

$y-y_1=m(x-x_1)$

Substitute the given values in the formula, we get

$y-(-3)=-2(x-(-4))$

$y+3=-2(x+4)$

$y+3=-2x-8$

Subtract 3 from both sides of the equation.

$y+3-3=-2x-8-3$

$y=-2x-11$

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