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andrew-mc [135]
3 years ago
8

Please help me please​

Mathematics
2 answers:
Vesnalui [34]3 years ago
4 0
X=7. 42/14=3. so x+5 times 3 = 7x-13. do the math, x =7. 7+5=12. 7(7)-13= 36. 12x3=36. boom.
elena-s [515]3 years ago
3 0

Answer:

Step-by-step explanation:

Since they are similar we can say

(7x-13)/42=(x+5)/14 upon cross multiplication we have

14(7x-13)=42(x+5) divide each side by 14

7x-13=3(x+5) expanding right side

7x-13=3x+15 adding 13 to each side

7x=3x+28 subtracting 3x from each side

4x=28 dividing each side by 4

x=7

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