edie17burton edie17burton

04-03-2021
Mathematics

contestada

6. When 4 times the number x is added to 12, the result is 8. What number results when 2
times x is added to 7?

Respuesta :

kyleighhope kyleighhope

04-03-2021

Answer: 5

Step-by-step:

1. set up equations : 4x+12=8 and 2x+7=?

2. solve for x in the first eq.

4x + 12 = 8

4x = -4

x = -1

3. plug x = -1 into 2x+7=?

2 ( -1 ) + 7 =

-2 + 7 =

5

Answer Link

Otras preguntas

What idea is kennedy most likely attempting to explain by this comparison? our country's ability to change the world with science is the way of the future. we m

a warrior swings a slingshot in a horizontal circle above his head at a constant speed. The sling is 1.5 m long, and the stone has a mass of 50 g. The tension

Why was building the aswan dam was a good idea?

What plate boundary gets pushed under?

How far can i hit a golf ball?

Present continuos/ negative you can have our tennisrackets. we _____ (use) them at the moment

the distance d a train travels directly with he amount of time t that has elapsed since departure.if the train travels 475 i 9.5 hours how any miles did the tra

What is the simple interest for 1 year on a loan of $2000 at 9% interest?

A plumber is installing dish washers in each 15 apartments. He needs 70 cm of tubing to connect each dishwashers to the water source.How many meters of tubing d

What is 2 1/5 divided by 1 1/4 simplified?