Question

hay falto la a es esta
a)7x+8=64
me ayudan ​

Answer 1

Respuesta:

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Explicación paso a paso:

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Answer 2

Respuesta:

7x + 8 = 64

7x = 56

X = 8

20 = 3x - 5(-4)

20 = 3x - (-20)

20 = 3x + 20

3x = 0

3.4 - 5.6 = 2x + 7x

12 - 30 = 9x

-18/9 = x

-2 = x

5x + 3 = x - 7 + 4x

10 = 5x - 5x

10 = 0

Error

4x² - 9 = 7

4x² = 16

X² = 4

X = 2

5 Raiz de(x + 9) = 35

Raiz de(x+9) = 7

X + 9 = 7²

X = 49 - 9

X = 40

(2x + 7)³ + 31 = 4

8x³ + 343 + 31 = 4

8x³ = - 370

X³ = - 46,25

X = raiz cubica de ( - 46,25)

9(x + 5) = 45

9x + 45 = 35

9x = 0

X = 0

2(x + 4) - 5x = 23

2x + 8 - 5x = 23

3x = - 15

X = -5