3 years ago

What is an expression for “the sum of (a+7) and 3a”

1 answer:

5 0

If you are correcting to a=7 to where 3a = 21 as their are 3 a's which is 7

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tigry1 [53]

Answer:

True

Step-by-step explanation:

6x² - 4y - 3x + 6x² + 8x = 12x² + 5x - 4y

Regroup terms on left

6x² + 6x² - 3x + 8x - 4y = 12x² + 5x - 4y

Combine like terms

on left

12x² + 5x - 4y = 12x² + 5x - 4y True

7 0

3 years ago

arlik [135]

Need more info please.

6 0

4 years ago

Veronika [31]

Mp is congruent to rs

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3 years ago

SSSSS [86.1K]

Answer:

16.5+13.6+12.4.17.7= 60.2

60.2÷4 =15.05

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3 years ago

jonny [76]

I think its 7 packets

7 0

4 years ago