2020 Standard Catalog of World Coins 1901-2000

2020 Standard Catalog of World Coins 1901-2000

Matematika [+50](4/10)

1.) 5x + 5 = 20
2.) 30x + 5 = 85
solve x ≈​

[+50](4/10)

1.) 5x + 5 = 20
2.) 30x + 5 = 85
solve x ≈​

Jawaban:

5x + 5 = 20

5x = 20 - 5

5x = 15

x = 15/5

x = 3

30x + 5 = 85

30x = 85 - 5

30x = 80

x = 80/30

x = (80 ÷ 10)/(30 ÷ 10)

x = 8/3

5x + 5 = 20

5x = 15

x = 15 ÷ 5

x = 3

[tex]\sf ↓ ↓ ↓↓[/tex]

30x + 5 = 85

30x = 80

x = 80/30

x = 8/3

[tex] \mathscr \red{→} \: \pink{Riiax} \: \purple{←}[/tex]

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