06-09-2018
Mathematics

contestada

x - 13 = 5x + 7
a) -5
b) 3
c) 6
d) 2

Respuesta :

07-09-2018

[tex]x-13=5x+7\ \ \ \ |+13\\\\x=5x+20\ \ \ \ |-5x\\\\-4x=20\ \ \ \ |:(-4)\\\\x=-5\\\\Answer:\ a)\ -5[/tex]

Answer Link

Otras preguntas

which organelle sorts proteins so they can be used by the body? A)The Golig apparatus. B)The nucleus. C)The mitochondrion. D)The lysosome.

Between 500 B.C. and A.D. 1500, the migration of the Bantu people of Africa led to the diffusion of (1) languages and metallurgical skills (2) porcelai

13+[8×16-(24+5×b)÷2]÷3-45=0

What is the algebraic expression for nine increased by the product of 3 and 2 less than a number?

How do people in Italy use natural resources

What volume of 0.126 M HCl is needed to neutralize 2.96g of Mg(OH)2?

which organelle sorts proteins so they can be used by the body? A)The Golig apparatus. B)The nucleus. C)The mitochondrion. D)The lysosome.

Which of these is an illuminated source of light? A. the sun B. a star C. the earth seen from the moon D. a meteorite as it burns up in the atmosphere ***ooh i

An aspirin tablet contains 325 mg acetylsalicylic acid. How many acetylsalicylic acid molecules does it contain?

Which Organization is an alliance of 28 countries from North America and Europe that plays an important role in crisis management and peacekeeping? Library Grou