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

How did technology benefit stone age people? How could that technology have unexpected results?

Do all parallelograms have diagonals that are lines of symmetry?

What all the numbers that round to 50?

An old house in Boxerville measures 30 feet in height and has windows 5 feet width. An architecture student builds a proportional model that is 3 feet high. How

how do you figure out the ratio stars to squares when there are 11 squares 5 stars and two circles in the data?

how do you figure out the ratio stars to squares when there are 11 squares 5 stars and two circles in the data?

What is the value of 15/124×230/30÷230/124

What is a word family for mentor and uttered?

A football team lost 5 yards on each of 3 plays. Explain how you could use a number line to find the teams change in field position after the 3 plays.

The sum of the speed of two trains is 722.7 miles per hour. If the speed of the first train is 3.3 mph faster than the second train find the speeds of each