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Rama09 [41]
1 year ago
15

Yuson used her calculator to solve the equation

Mathematics
2 answers:
Stella [2.4K]1 year ago
7 0

Answer:

x = 55/4.

Step-by-step explanation:

4/5x - 8 = 3

(4/5) x - 8 = 3

Add 8 to both sides:

(4/5)x = 11

Next, to isolate x, we multiply both sides by 5/4:

(5/4)(4/5)x = 11 * 5/4

1x = 55/4.

Tpy6a [65]1 year ago
5 0

Answer:

Rather than just multiplying 5/4 with 8, she has to multiply it with 3 + 8. She could put parentheses around the 3 + 8, according to PEMDAS, this would mean that the parenthesis must be solved before multiplication. The correct answer would be:

4/5x - 8 = 3

4/5x = 3 + 8

x = (3 + 8)5/4

x = 11 x 5/4

x = 55/4 or 13.75

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