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What is 
y-4=-2(x+7) written in standard form?
Choose 1 answer:
(A) 
2x+y=-10
(B) 
x-2y=-10
(c) 
x+2y=-10
(D) 
-2x+y=-10

What is y4=2(x+7) y-4=-2(x+7) written in standard form?\newlineChoose 11 answer:\newline(A) 2x+y=10 2 x+y=-10 \newline(B) x2y=10 x-2 y=-10 \newline(C) x+2y=10 x+2 y=-10 \newline(D) 2x+y=10 -2 x+y=-10

Full solution

Q. What is y4=2(x+7) y-4=-2(x+7) written in standard form?\newlineChoose 11 answer:\newline(A) 2x+y=10 2 x+y=-10 \newline(B) x2y=10 x-2 y=-10 \newline(C) x+2y=10 x+2 y=-10 \newline(D) 2x+y=10 -2 x+y=-10
  1. Distribute the 2-2: Distribute the 2-2 across the parentheses in the equation y4=2(x+7)y-4=-2(x+7).\newliney4=2x14y - 4 = -2x - 14
  2. Add 44 to both sides: Add 44 to both sides of the equation to isolate y on one side.\newliney = 2-2x - 1414 + 44\newliney = 2-2x - 1010
  3. Rearrange the equation: Rearrange the equation to get it into standard form, Ax+By=CAx + By = C.\newlineAdd 2x2x to both sides of the equation.\newline2x+y=102x + y = -10
  4. Check the answer choices: Check the answer choices to see which one matches the standard form equation we derived.\newlineThe correct answer is (A) 2x+y=102x + y = -10.

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