kaylaakayy kaylaakayy

14-06-2016
Mathematics

contestada

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

Respuesta :

TrisNicole TrisNicole

14-06-2016

7x + 2y = 48

7x + (2x3) =48
7x + 6 = 48
7x = 48 - 6
7x = 42

--> x = 6

Answer Link

giovannaarquilla giovannaarquilla

14-06-2016

Plug in 3 for y.
7x+2(3)=48

Multiply
7x+6=48

Subtract 6

7x=42

Divide by 7

x=6

Answer Link

Otras preguntas

As a system administrator, you are responsible for maintaining the website of your company which deals in online recharge of mobile phone cards. One day to your

How is gamma radiation different from other types of electromagnetic radiation? It has higher energy and higher frequency. It has higher energy and lower fr

Please help me with this question. 12 points!!

Match the items. 1. The interest rate the Fed charges on loans of reserves to banks. 2. Potential loan balances held in vault cash or on deposit with the Fed in

When full one of the pools at Sapphire Island will hold 43,000 gallons of water. The pool currently holds 23,000 gallons of water and is being filled at a rate

All cells have these 2 characteristics?

What part of the intra-oral camera is placed in the patient's mouth? a. Adaptor b. Wand c. Pointer d. Film

Mary is pregnant with her first child and has recently had genetic testing to determine whether her baby-to-be is growing normally. Among other things, her test

Jason, a penetration tester, is testing a web application that he knows is vulnerable to an SQL injection but the results of the injection are not visible to hi

Solve G(x) for the given domain. G(x) = 3x2 - 2x - 1 G(6) =