Matematika Sekolah Menengah Pertama Q. 1.) 3/4 × 3/x = 3/4 x = ... 2.) 5x + 1 = 11 x = ... 3.) 3/3 + 1/2 = ... ​

pattiekuhiculv – March 08, 2023

Q.

1.) 3/4 × 3/x = 3/4
x = ...

2.) 5x + 1 = 11
x = ...

3.) 3/3 + 1/2 = ...
​

⏩ Penyelesaian soal:

Diketahui:

• 3/4 × 3/x = 3/4
• 5x + 1 = 11
• 3/3 + ½

Ditanya:

• Nilai x
• Nilai x
• Hasil

Jawab:

¾ × 3/x = ¾

( 3 × 3 ) / ( 4 × x ) = ¾

9/4x = ¾

9 = ¾ × 4x

9 = 3x

x = 9 ÷ 3

x = 3

5x + 1 = 11

5x = 11 - 1

5x = 10

x = 10 ÷ 5

x = 2

= 3/3 + ½

= ( 3 ÷ 3 ) + ½

= 1 + ½

= 1½

3/4 × 3/x = 3/4

4 × 3 = 12

12 : 3 = 3

5x + 1 = 11

5x = 11 - 1

5x = 10

x = 10/5

x = 2

3/3 + 1/2

/6 + /6

6/6 + 3/6

= 9/6

= 3/2

= 1 1/2

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