thiaaleGDpku3m thiaaleGDpku3m

01-12-2016
Mathematics

contestada

solve |x + 7| = 12

a. {-19, -5}

b. {-5,19}

c. {-19,5}

d.{5,19}

Respuesta :

apologiabiology apologiabiology

01-12-2016

for
|a|=b
assume
a=b and a=-b

|x+7|=12

assume
x+7=12 and x+7=-12
minus 7 both sides
x=5 and x=-19

C is answer

Answer Link

wizard123 wizard123

01-12-2016

When solving absolute value equations, you must account for both the positive and negative cases.

x+7 = 12 AND x+7 = -12
x = 5 x = -19

Answer Link

Otras preguntas

Given that approximately 85 million americans have a lawn, and that the average lawn size is 0.08 ha how much total land area is composed of lawns in the united

Is the biography of Albert Einstein a primary source or a secondary source

Xenon (xe) of mass 5.08 g reacts with fluorine to form 9.49 g of a xenon fluoride compound. what is the empirical formula of this compound?

What is a tag in an HTML document? Additional information used to modify an element Code that specifies how the web page should be formatted Instruction to t

what is 230000 in standard form

The theory of absolute advantage destroys the mercantilist idea that international trade is a ________.

which equation represents a line that passes trough (-9,-3) abd has a slope of -6?

Colonial opposition to the stamp act was stronger than opposition to the sugar act because

Help please Match each point with one of the following fractions 3/4,1/4,7/16,5/8 A=5/8,B=1/4,C=3/4,D=7/16 A=1/4,B=5/8,C=7/16,D=3/4 A=3/4,B=1/4,C=5/8,D=7/16 A=1

???????????????????????????