nukguillory4625 nukguillory4625

20-07-2017
Mathematics

contestada

Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. what is the value of x?

Respuesta :

texaschic101 texaschic101

20-07-2017

3(x - 7) = 23 - (3x + 2) =
3x - 21 = 23 - 3x - 2 =
3x - 21 = -3x + 21
3x + 3x = 21 + 21
6x = 42
x = 42/6
x = 7 <==

Answer Link

Otras preguntas

Only a minority of Americans agreed with Marx’s notion that in a class-free society there would be A.no proletariat. B. no socialism C no war. D.no industry.

All of the factors listed are abiotic factors of this underwater ecosystem EXCEPT the A) sunlight. Eliminate B) water currents. C) fish population. D) water

What is the inverse operation of multiplication? A. Division B. Addition C. Subtraction D. Multiplication

what classical civilization would have relied on monsoon winds to transport trades good

Which air pressure system is generally associated with warm, moist air? a. changing pressure b. no pressure c. high pressure d. low pressure

Mercantilists stated that a country's wealth and strength came from the ability to _____.

Simplify the expression t+0.03t

why is the phosphorus cycle not considered as a real cycle?

a deli ordered 6 1 /2 wheels of cheese over the weekend 3 5/8 wheels of cheese we're sold on Tuesday 1 3/4 of cheese we're sold how much is left for Wednesday

Why is the manner of Macduff's birth important? a. He was born during the witching hour, and it was prophesied from his birth that he would defeat a great king