star021506
star021506
17-05-2019
Mathematics
contestada
7x+(2x+7)=9x+7 show work
Respuesta :
jamairany
jamairany
17-05-2019
it is true 9x=9x
7x+(2x+7)=9x+7
7x+2x+7=9x+7
-7. -7
7x+2x=9x
9x=9x
Answer Link
VER TODAS LAS RESPUESTAS ( 68+ )
Otras preguntas
Which of the following materials fall in the category of a ‘‘pure substance’’?Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, brick, wood, Air
The graph of the fourth-degree polynomial function f (x) is shown in the coordinate plane below. Based on the graph, which of the following are linear factors o
what is f(-1)=-3x^{2}+7x+4
Solve the following please:
Question 11 of 30 Under ideal conditions, how do allele frequencies change over time? A. The frequency of the recessive allele increases in each generation. B.
Carol buys a house for £234 900 She pays a 10% deposit. Work out the amount of deposit paid by Carol.
David bought a house for $150,000 in 2000. After 4 years, its value increased to $190,000. Let x be the year since 2000, and y be the value of the house. Write
(15) Mona has x number of quarters and y number of dimes which total $4.75. Gina has y number of quarters and x number of dimes which total $4.00. How many dime
Read this excerpt from the passage: [26] "Oh, my poor Mathilde! How you are changed!" [27] "Yes, I have had a pretty hard life, since I last saw you, and great
Question 17 of 25 Which is a correct expansion of (3x+2)(3x² + 4)? OA. 3x 3x² + 3x • 4+2·3x²+2 • 4 OB. 3x. 3x² + 3x• 4+2·3x+2·4 O C. 3x. 3x²+2·3x² + 3x².4+2·4
