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alexira [117]
3 years ago
8

Mr. pham wrote the equation below on the board.

Mathematics
2 answers:
valkas [14]3 years ago
7 0

18 - 7x = -20.5

Subtract 18 from each side:

-7x = -38.5

Divide both sides by -7:

x = -38.5 / -7

x = -5.5 = 5 1/2

The answer is D.

melisa1 [442]3 years ago
7 0

Answer:

D. 5 1/2

Step-by-step explanation:

18-7x=-20.5

Subtract 18 from each side

18-18-7x=-20.5-18

-7x = -38.5

Divide each side by -7

-7x = -38.5/-7

x =5.5

In fraction form

x = 5 1/2

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