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BARSIC [14]
3 years ago
5

Complete the solution of the equation Find the value of y when x equals 11. 7x-9y=23

Mathematics
1 answer:
Setler79 [48]3 years ago
8 0
Replace the variable x with it's value in the equation and solve for y.

7(11) - 9y = 23

77 - 9y = 23

Subtract both sides by 77.

77 - 9y - 77 = 23 - 77

-9y = -54

Divide both sides by -9.

-9y / -9 = -54 / -9

y = 6

So, 6 is the answer.
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