bubs80000 bubs80000

25-10-2019
Mathematics

contestada

Given: 3x+7+2(4x+1) = 3(x-1) -4 prove: x=-2

Respuesta :

XHonorsKid XHonorsKid

25-10-2019

Answer:

x = -2, proven below.

Step-by-step explanation:

3x + 7 + 2(4x+1) = 3(x-1) - 4

3x + 7 + 8x + 2 = 3x - 3 - 4

9 + 11x = 3x - 7

16 + 11x = 3x

16 = - 8x

-2 = x

Answer Link

Otras preguntas

How do I factorise 42x-18

"Yellow Journalism" as practiced by the newspapers of William Randolph Hearst and Joseph Pulitzer were largely responsible for swaying popular support of A)

Write the quadratic equation y=x^2-6x+7 in vertex form

Compare and contrast the roles of the federal government and the civil rights activists in achieving the goals of the civil rights movement from 1945 through 19

Please help me! Finding the area of the trapezoid

how do you find percent

A gold atom has ninety-two electrons. It also has ninety-two protons. How many electrons are in the first shell?

What is the inverse of the function below? f(x) = x – 5

Fay Weldon wrote "The City of Invention" to ___. B.) convince others to read Jane Austen C.) celebrate human existence D.) tell a story

Brian Vargo, an auto repair mechanic who remains unemployed because he refuses to work for less than $1,000 an hour, is: a. not counted as part of the labor f