simplify $\frac{3(a-b)}{9} + \frac{4}{9} b$

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Question

simplify
$\frac{3(a-b)}{9} + \frac{4}{9} b$

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Mathematics Thanh Hà 5 years 2021-08-17T15:27:29+00:00 2021-08-17T15:27:29+00:00 1 Answers 9 views 0

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Captcha* Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )

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Thunguyet · Answer 1 · 2021-08-17T15:28:49+00:00

Thunguyet

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2021-08-17T15:28:49+00:00 August 17, 2021 at 3:28 pm

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Answer:

$\frac{3a+b}{9}$

Step-by-step explanation:

Both fractions have a common denominator of 9

Add the numerators, placing them over 9

= $\frac{3(a-b)+4b}{9}$

= $\frac{3a-3b+4b}{9}$

= $\frac{3a+b}{9}$