Question

Find the value of y in parallelogram QRST.

Answer 1

Answer:

y = 5

Step-by-step explanation:

Solution:

7y = 5y + 10

7y - 5y = 10

2y = 10

$\frac{2y}{2}$ = $\frac{10}{2}$

y = 5

Checking:

7y - 5y = 10

7(5) - 5(5) = 10

35 - 25 = 10 ✓

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Answer 2

Answer:

5y+10=7y. (reason opposite sides of pam. are equal)

10=7y-5y

10=2y

∴y=5