girlimbackpe0z15 girlimbackpe0z15

29-09-2020
Mathematics

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Solve for x: - 3.c + 14 = 4.2 - 7

Respuesta :

justmia03 justmia03

29-09-2020

-3x + 14 = 4x - 7

Answer:

x = 3

Step-by-step explanation:

-3x + 14 = 4x - 7

+7 +7

-3x + 21 = 4x

+3x +3x

21 = 7x

21 / 7 7x / 7

3 = x

Check:

-3x + 14 = 4x - 7

-3 x 3 + 14 = 4 x 3 - 7

-9 + 14 = 12 - 7

5 = 5

x = 3

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