X can be anything you want as long as it is not 1 or -7. If you have repeated x values with different y values, then it won't be a function.
Answer:
Step-by-step explanation:
Gary need 60 dollars, but he saved only 45%
60*(45/100)=27
he saved only 27 dollars
Answer:
x = 1
Step-by-step explanation:
8x + 4 = 12
8x = 8
x = 1
<h2>
Answer:</h2>
.
<h2>
Step-by-step explanation:</h2>
<h3>1. Write the expression.</h3>

<h3>2. Substitute y for x, and x for y.</h3>

<h3>3. Solve for y.</h3>

<h3>4. Express your result.</h3>
.
Answer:
yes
Step-by-step explanation: