Answer:
X = -5
Explanation:
You can graph a vertical line by assigning a value to x. By assigning it to the value -5, it will pass through the point -5, as well as all y values.
Answer:
<em>Simplifying</em>
Simplifying
21 + x = 70
Solving
21 + x = 70
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-21' to each side of the equation.
21 + -21 + x = 70 + -21
Combine like terms: 21 + -21 = 0
0 + x = 70 + -21
x = 70 + -21
Combine like terms: 70 + -21 = 49
x = 49
Simplifying
x = 49
Answer:
C because the numbers correlate with the dots on the plot.