23-08-2017
Mathematics

contestada

if 5(3x-7)=20, then what is 6x-8 ?

Respuesta :

trishinada63 trishinada63

23-08-2017

First solve for x in the first equation. So you'll have to substitute,
5(3x-7)=20
15x-35=20
Then add 35 to both sides.
15x=55
Divide 55 by 15.
So x = 3.66...
Then plug in 3.7 for x in 6x-8
6(3.7)-8
Its approximately 14.2

Answer Link

Otras preguntas

y’all please help this is due tmr

67-78+26+39×2 answer thy question brothers im none smart

How many neutrons does element x have it it’s atomic number is 20 and it’s mass is 88?

What benefits did the Jews get under the Toleranz Patent? 1 Jewish religious leaders were given same rights as Christian priests. 2 Jews could fight elections

I need help with question 1b

What colonies make up the northern colonial region?

John lennon's father, freddie, was a merchant seaman who... also played clarinet and piano in a traditional jazz band around liverpool settled in america, openi

add sun to make a compound word

The density of a solution is 1.18 g/ml. its specific gravity is

NEED SOME HELP ON THE ALGEBRA 2 QUESTION!!! Solve for x. 9x+4≤58 or 1/6x−2>3