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frosja888 [35]
2 years ago
12

How many is this 2( 9 - 7r ) + 8r

Mathematics
2 answers:
xz_007 [3.2K]2 years ago
7 0

solving steps:

2( 9 - 7r ) + 8r

2(9) - 2(7r) + 8r

18 - 14r + 8r

18 - 6r

Pachacha [2.7K]2 years ago
6 0

Answer:

18 - 6r

Step-by-step explanation:

2(9 - 7r) + 8r

Expand the brackets:

⇒ 2 · 9 - 2 · 7r + 8r

⇒ 18 - 14r + 8r

Combine like terms:

⇒ 18 - 6r

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