Question

$7x - 4 = 31$

$- 4x - 7 = 25$

$2 x + 14 = 3x + 6$
$2(x - 3) = - 5$
AYUDA PORFAVOR
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Answer 1

7x - 4 = 31

7x = 31 + 4

7x = 35

x = 35/7

x = 5

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-4x - 7 = 25

-4x = 25 + 7

-4x = 32

x = 32/-4

x = -8

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2x + 14 = 3x + 6

2x = 3x + 6 - 14

2x = 3x + (-8)

2x - 3x = -8

-x = -8

x = -8/-1

x = 8

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2(x - 3) = -5

2 · (x - 3) = -5

x - 3 = -5/2

x = -5/2 + 3

x = 1/2

Espero haberte ayudado

Corona?