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y = 4x − 7, (x = 8)

Mathematics

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Answer

252\text{252}

Graph of y = 4x − 7

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Key points of y = 4x − 7
Pointxy
y-intercept0−7
x-intercept1.750

Step-by-step solution

3 steps
  1. Substitute the given value of xx into the equation.

    The equation is y=4x−72y = 4x - 72, and x=81x = 81.

    y=4(81)−72y = 4(81) - 72
  2. Perform the multiplication.

    y=324−72y = 324 - 72
  3. Perform the subtraction.

    y=252y = 252

    The value of yy is:

    252\text{252}
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