Write y = x + 7 in standard form using integers

x - y = -7

Step-by-step explanation:

Standard Form: Ax + By = C

Step 1: Move the x over

-x + y = 7

Step 2: Factor out a -1

-1(x - y) = 7

Step 3: Divide both sides by -1

x - y = -7

x-y = -7

Step-by-step explanation:

Ax + By = C  is the standard form for a line where A is a positive number

y = x + 7

Subtract x from each side

-x+y = x+7-x

-x+y = 7

Multiply each side by -1

x-y = -7

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step-by-step explanation:

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

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