Question

repede pls pentru tema la mate
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Answer 1

Raspuns:

10/3

15

7

Explicație pas cu pas:

1/4×x+7/2=13/3

1/4x+7/2=13/3

3x+42=52

3x=52-42

3x=10

x=10/3

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9/2-1/4×x=3/4

9/2-1/4x=3/4

18-x=3

-x=3-18

-x=-15

x=15

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1/2×x-1/3×x=7/6

1/2x-1/3x=7/6

3x-2x=7

(3-2)x=7

1x=7

x=7