Answer : Graph B
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Cost of Case of Juice: 20
Cost of Case of Water: 15
What is an equation?
The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions.
Here, we let
cost of a case of juice = x
cost of a case of water = y
6x + 1y = 135...(1)
4x + 2y = 110.....(2)
Now, we multiply equation (1) by 2 and equation (2) by 1 and we get
12x + 2y = 270
4x + 2y = 110
Now, we subtract equation (1) from equation (2) and we get
8x = 160
x = 20
and y = 15
Hence, the Cost of a Case of Juice: 20
Cost of Case of Water: 15
To learn more about the equation from the given link
brainly.com/question/25976025
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When the equation is written in standard form (with reduced coefficients and leading coefficient positive), it becomes
5x -y = -3
Solving for y, you get
y = 5x +3
This is the equation of a line with a y-intercept of 3, and a slope of 5. It will go through points (0, 3) and the point 1 over and 5 up from that: (1, 8).
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If you're in doubt about your graph, you can check it with your graphing calculator.
Answer:
3(x+7)
Step-by-step explanation:
the sum of x and 7 (x+7) is being multiplied by 3 (3(x+7))