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Solve.\newline7x+10y=−207x + 10y = -20\newlinex=10x = 10\newline(_____, _____)

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Q. Solve.\newline7x+10y=−207x + 10y = -20\newlinex=10x = 10\newline(_____, _____)
  1. Substitute x=10x = 10: Substitute x=10x = 10 into the first equation 7x+10y=−207x + 10y = -20.\newlineCalculation: 7(10)+10y=−207(10) + 10y = -20\newline70+10y=−2070 + 10y = -20
  2. Isolate variable term: Isolate the variable term 10y10y.\newlineCalculation: 10y=−20−7010y = -20 - 70\newline10y=−9010y = -90
  3. Solve for y: Solve for y.\newlineCalculation: 10y10=−9010\frac{10y}{10} = \frac{-90}{10}\newliney = −9-9
  4. Find ordered pair: We found:\newlinex=10x = 10\newliney=−9y = -9\newlineWhat is the solution in the form of an ordered pair?\newlineSubstitute x=10x = 10 and y=−9y = -9 into (x,y)(x, y).\newlineThe solution is (10,−9)(10, -9).

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