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fuations - Quiz - Level H
The equation 
y=-20 x+140 gives the
180

y
160

fuations - Quiz - Level H\newlineThe equation y=20x+140 y=-20 x+140 gives the\newline180180\newliney y \newline160160

Full solution

Q. fuations - Quiz - Level H\newlineThe equation y=20x+140 y=-20 x+140 gives the\newline180180\newliney y \newline160160
  1. Plug in x value: Plug in the value of xx into the equation.y=20×7+140y = -20 \times 7 + 140
  2. Calculate multiplication: Calculate the multiplication part.\newline20×7=140-20 \times 7 = -140
  3. Addition calculation: Now, add 140140 to 140-140.y=140+140y = -140 + 140
  4. Simplify to find yy: Simplify the addition to find the value of yy.y=0y = 0

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