An equation is given.

y = 3x + c

Create an equivalent equation by solving for x in terms of y and c.

x = 1/3y + 1 /3 c

Step-by-step explanation:

Hi, to answer this question we have to solve for x:

y =3x +c

3x +c = y

isolating x (the whole term)

3x = y +c

x = (y+c)/3

Applying distributive property

x = (y÷ 3) + (c ÷ 3)

x = 1/3y + 1 /3 c

Feel free to ask for more if needed or if you did not understand something.

answer: the area of the parallelogram below is 42 square meters.

- officialprodixy ☕

there are lots of ways.   pick's theorem tells us if the vertices are lattice points the area a is

a = b/2 + i - 1

where b is the number of boundary lattice points and i is the number of interior lattice points.

in the figure i count b=16, i=50 so

a = 8 + 50 - 1 = 57

let's try the shoelace formula.   the area is half the sum of the cross products of the sides.  

a(-2,6)   -2(2)-6(-5) = 26

b(-5,2)   -5(-3) - 2(-2) = 19

c(-2,-3) -2(-3) - (-3)(4) = 18

d(4,-3)   4(3) - (-3)(5) = 27

e(5,3)   5(3) - 3(1) = 12

f(1,3)     1(6) - 3(-2) = 12

a(-2,6)

each of the cross products is twice the area of the triangle with the associated side and one vertex the origin. so the area of abo=26/2=13.

area = (1/2) (26 + 19 +   18 + 27 + 12 + 12) = 57

that checks!