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Solve the system of equations.

{:[5x-4y=-10],[y=2x-5],[x=◻],[y=◻]:}

Solve the system of equations.\newline5x4y=10y=2x5x=y= \begin{array}{l} 5 x-4 y=-10 \\ y=2 x-5 \\ x=\square \\ y=\square \end{array}

Full solution

Q. Solve the system of equations.\newline5x4y=10y=2x5x=y= \begin{array}{l} 5 x-4 y=-10 \\ y=2 x-5 \\ x=\square \\ y=\square \end{array}
  1. Write Equations: Write down the given system of equations.\newlineWe have the following system of equations:\newline5x4y=105x - 4y = -10\newliney=2x5y = 2x - 5\newlineWe need to find the values of xx and yy that satisfy both equations.
  2. Substitute and Simplify: Substitute the second equation into the first equation.\newlineSince y=2x5y = 2x - 5, we can replace yy in the first equation with 2x52x - 5:\newline5x4(2x5)=105x - 4(2x - 5) = -10\newlineNow we will solve for xx.
  3. Distribute and Combine: Distribute the 4-4 across the terms in the parentheses and simplify.5x4(2x)+4(5)=105x - 4(2x) + 4(5) = -105x8x+20=105x - 8x + 20 = -10Combine like terms:3x+20=10-3x + 20 = -10
  4. Solve for x: Solve for x.\newlineSubtract 2020 from both sides of the equation:\newline3x+2020=1020-3x + 20 - 20 = -10 - 20\newline3x=30-3x = -30\newlineDivide both sides by 3-3:\newlinex=303x = \frac{-30}{-3}\newlinex=10x = 10
  5. Substitute for yy: Substitute the value of xx back into the second equation to solve for yy.\newlineWe know that y=2x5y = 2x - 5, so:\newliney=2(10)5y = 2(10) - 5\newliney=205y = 20 - 5\newliney=15y = 15

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