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