kingjunim
kingjunim
15-03-2017
Mathematics
contestada
if 3y+5=7x, then 21y-49x=?
Respuesta :
irspow
irspow
25-03-2017
3y+5=7x
3y=7x-5
y=(7x-5)/3
...
21y-49x becomes
7(7x-5)-49x
49x-35-49x
-35
Answer Link
VER TODAS LAS RESPUESTAS ( 44+ )
Otras preguntas
The closed tank of fig. P.2.34 is filled with water and is 5 ft long. The pressure gage on the tank reads 7 psi. Determine: (a) the height, h, in the open water
examples of figurative language in oedipus at colonus
What is the value of y in the system of equations shown below? 7x − 7y = 49 3x − 16y = 34 Select one: A. -2 B. -1 C. 0 D. 1
If the ball shown in the figure lands in 0.5 s, about what height was it thrown from?
You have $28, and you want to get half-dollar coins from the bank to give to children who come into your store. What is the most you can get? 14 28 2812 42 56
A company is considering building a hotel in downtown Raleigh. They decide wait to build the hotel only after demand has materialized because they want to reduc
In the sentences below, decide whether a colon or a semicolon is needed. Circle the correct choice. 6. We began the long trip to California on Monday (: ;) afte
Where would electrons in the d sub level be found
The leading strand is the daughter strand that has its _____ end pointed toward the replication fork and is therefore synthesized _____. 3'; in a series of
Please help- History. I have an attachment
