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inessss [21]
3 years ago
10

Solve the proportion

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
5 0

Answer:

y=5.6 or y=28/5

Step-by-step explanation:

4/5 = y/7

<em>⇒</em> Cross multiply:

4 × 7 = 5 × y

<em>⇒ </em>Multiply 4 × 7 & 5 × y:

28=5y

<em>⇒</em><em> </em>Solve the formed equation:

28=5y

⇒ Move all the terms containing y to the right side and the other values to the left side:

⇒ Add '-5y' to each side of the equation:

28+-5y=5y+-5y

⇒ Combine like terms: 5y+-5y=0

28+-5y=0

⇒ Add '-28' to each side of the equation:

28+-28+-5y=0+-28

⇒ Combine like terms: 28+-28=0

0+-5y=0+-28

-5y=0+-28

⇒ Combine like terms: 0+-28=-28

-5y=-28

⇒ Divide each side by '-5':

y=5.6 or y=28/5

<em>hope this helps </em><em>:)</em>

sergeinik [125]3 years ago
4 0

y =  \frac{28}{5}

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