2 years ago

PLEASE HELP ME

Mathematics

2 answers:

kirill115 [55]2 years ago

8 0

Answer:

Step-by-step explanation:

rectangle A and B.

rectangle B is 8x12 and if you divide 8 and 12 by 4 you get 2x3

Svetlanka [38]2 years ago

3 0

Rectangle A and B.
rectangle B is 8x12 and if you divide 8 and 12 by 4 you get 2x3

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Step-by-step explanation:

$= > 3 - 7c - 20c = 7( - 7c - 19) + 14c \\ \\ = > 3 - 27c = ( - 7c \times 7) - (7 \times 19) + 14c \\ \\ = > 3 - 27c = - 49c - 133 + 14c \\ \\ = > 3 - 27c = - 35c - 133 \\ \\ = > 3 - 27c + 35c = - 133 \\ \\ = > 3 + 8c = - 133 \\ \\ = > 8c = - 133 - 3 \\ \\ = > 8c = - 136 \\ \\ = > c = - \frac{136}{8} \\ \\ = > c = - 17$