keasiajackson1 keasiajackson1

20-11-2020
Mathematics

contestada

Solve 0.25x + 7 = 1/5 x -8

Respuesta :

pear142881 pear142881

20-11-2020

Answer:

x= -300

Step-by-step explanation:

0.25x+7 = 1/5x-8

convert the decimal into a fraction

1/4x+7 = 1/5x-8

1/4x+7+8 = 1/5x

1/4+15 = 1/5x

multiply both sides of the equation by 20

1/4x(20)+15(20) = 1/5x(20)

5x+300 = 4x

5x-4x+300 = 0

x+300 = 0

x = -300

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