4 years ago

Solve for x 6(2x -4) = -18

Mathematics

2 answers:

kifflom [539]4 years ago

7 0

6(2x-4) = -18

12x-24= -18

+24 +24

12x = 6

_ _

12 12

x= 0.5

zhenek [66]4 years ago

5 0

6(2x-4)=-18

2x-4=-3

2x=-3+4

2x=1

divide both sides by 2

x=1/2

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What is the value of y?

Amiraneli [1.4K]

Answer:

$\boxed{D. \: 40\degree}$

Step-by-step explanation:

<em>Angle sum property of triangle states that the sum of interior angles of a triangle is 180°</em>

So,

$= > 2y \degree + (y + 10)\degree + 50\degree = 180\degree \\ \\ = > 2y\degree + y\degree + 10\degree + 50\degree = 180\degree \\ \\ = > 3y\degree + 60\degree = 180\degree \\ \\ = > 3y\degree = 180\degree - 60\degree \\ \\ = > 3y\degree = 120\degree \\ \\ = > y = \frac{120\degree}{3\degree} \\ \\ = > y = 40\degree$