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Nutka1998 [239]
4 years ago
15

X(21)+x(4)=300 I need solving

Mathematics
1 answer:
Genrish500 [490]4 years ago
5 0

Answer:

12

Step-by-step explanation:

21x + 4x = 300         Put brackets around the first two terms.

(21x + 4x) = 300        Pull the x outside the brackets. Use the distributive property.  Combine the left

25x = 300                 Divide by 25

25x/25=300/25        Do the division

x = 12

                 

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