Tufcam0oyfison7 Tufcam0oyfison7

12-12-2016
Mathematics

contestada

What is the value of x in the equation 7x + 2y = 48 , when y = 3?

Respuesta :

SecondGuessing SecondGuessing

12-12-2016

7x+2y=48
7x+2(3)=48
7x+6=48
Subtract 6 on both sides.
7x=42
divide 7 on both sides
x=6

Answer Link

Usukidoll Usukidoll

12-12-2016

For
7x + 2y = 48
we're given y = 3, so substitute into the equation

7x+2(3) = 48
now multiply 2 and 3
7x+6=48
subtract 6 on both sides
7x=42
divide 7 on both sides
x=6

Answer Link

Otras preguntas

Please help don’t understand

yz =14 and y lies at -4 where could z be located ?

Preguntas Write questions for these answers. 1. —¿ Patricia? —Patricia es de Colombia. 2. —¿ él? —Él es mi amigo (friend). 3. —¿ tú? —Hablo dos idiomas (languag

A broad declaration of the organization's overriding purpose, which is intended to identify the organization's products and customer base, as well as to differe

Express each answer in simplified radical form. . 18√5−12√5=?

The ______ is a security technique associated with the use of credit cards at the time of purchase that checks additional digits printed on the back of the cred

whats the answer please. When you look for similarities in two things you read, you ____ them.

in angle abc ,m angle A = 17 and m angle B = 100 what is the measure of angle C

Which of the following events accompanies absorption of energy by chlorophyll molecules of the reaction-center complex? A) An electron is excited. B) A molecule

How many solutions does this equation have? 2(2x− 1) = (x+ 1) + 3(x− 1)