Expressions equivalent to 3a+9a+7b-bPLS HELP DUE TONIGHT
2 answers:
Answer:
12a + 6b
Step-by-step explanation:
Combine like terms
12a+7b-b
Combine like terms
12a+6b
Hence, 12a+6b = 3a+9a+7b-b
[RevyBreeze]
ANSWER: ⇒ 12a + 6b
Simplify or expand:
3a + 9a + 7b - b
Reorder and gather like terms:
(3a + 9a) + (7b - b)
Collect coefficients of like terms:
(3 + 9) × a + (7 - 1) × b
Calculate the sum or difference:
12a + (7 - 1) × b
Calculate the sum or difference:
12a + 6b
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Answer:
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Step-by-step explanation:
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