3. Tentukan nilai n! -8 + (6 + n) = -8 +9 (n+13) + 11 = 16+ (13 + 11) (-21 + n) x 13 = (-21 x 13) + .... Question from @esiii8793

August 2022 2 14 Report

3. Tentukan nilai n! -8 + (6 + n) = -8 +9 (n+13) + 11 = 16+ (13 + 11) (-21 + n) x 13 = (-21 x 13) + (7 × 13) 35 x (42 - 20) = (35 x n)- (35 × 20) Jawab: a. b. c. d.

laurencrisya

Jawaban:

1) 3

2) 16

3) 7

4) 42

Penjelasan dengan langkah-langkah:

$- 8 + (6 + n) = - 8 + 9 \\ - 8 + 6 + n = 1 \\ n = 1 + 8 - 6 \\ n = 3$

$(n + 13) + 11 = 16 + (13 + 11) \\ n + 13 + 11 = 16 + 24 \\ n + 24 = 40 \\ n = 40 - 24 \\ n = 16$

$( - 21 + n) \times 13 = ( - 21 \times 13) + (7 \times 13) \\ ( - 21 \times 13) + n \times 13 = - 273 + 91 \\ - 273 + 13n = - 182 \\ 13n = - 182 + 273 \\ 13n = 91 \\ n = 91 \div 13 \\ n = 7$

$35 \times (42 - 20) = (35 \times n) - (35 \times 20) \\ 35 \times 22 = 35n - 700 \\ 770 = 35n - 700 \\ - 35n = - 700 - 770 \\ - 35n = - 1.470 \\ n = ( - 1.470) \div ( - 35) \\ n = 42$

4 votes Thanks 2

airacantika8

Penjelasan dengan langkah-langkah:

$\huge \purple {JAWABAN :}$

Nomor 1 :

$- 8 + (6 + n) = - 8 + 9 \\ - 8 + 6 + n = 1 \\ n = 1 + 8 - 6 \\ n = 3$

Nomor 2 :

$(n + 13) + 11 = 16 + (13 + 11) \\ n + 13 + 11 = 16 + 24 \\ n + 24 = 40 \\ n = 40 - 24 \\ n = 16$

Nomor 3 :

$( - 21 + n) \times 13 = ( - 21 \times 13) + (7 \times 13) \\ ( - 21 \times 13) + n \times 13 = - 273 + 91 \\ - 273 + 13n = - 182 \\ 13n = - 182 + 273 \\ 13n = 91 \\ n = 91 = 13 \\ n = 7$

Nomor 4 :

$35 \times (42 - 20) = (35 \times n) - (35 \times 20) \\ 35 \times 22 = 35n - 700 \\ 770 = 35n - 700 \\ - 35n = - 700 - 770 \\ - 35n = - 1.470 \\ n = ( - 1.470) \div ( - 35) \\ n = 42$

5 votes Thanks 4

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