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

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