Use the equation to answer the questions. Round both answers to nearest whole number. Y = 54.85 - 0.75X If Y equals 7, what is X? X = If Y drops to 3, what is X now? X =
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85 - 0.75X and solve for X. 7 = 54.85 - 0.75X Subtract 54.85 from both sides: -47.85 = -0.75X Divide both sides by -0.75: X = 63.8 Rounded to the nearest whole number, X is approximately 64. Show more…
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Complete each solution. $$ \text { Solve: }\left\{\begin{array}{l} y=3 x-7 \\ x+y=5 \end{array}\right. $$ $$ \begin{aligned} x+(&)=5 \\ x+3 x-7 &=\\ x-7 &=5 \\ 4 x &=\\ x &=3 \end{aligned} $$ $$ \begin{aligned} &y=3 x-7\\ &y=3(\quad)-7\\ &y= \end{aligned} $$ The solution is $(__, 2)$
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