Q. Solve the system of equations.6x−5y=−32−7x+8y=46x=□y=□
Identify Variable to Eliminate: Identify the variable to eliminate. We can choose to eliminate either 'x' or 'y'. For this problem, we will eliminate 'x' by finding a common multiple for the coefficients 6 and 7.
Multiply Equations by Common Coefficients: Multiply the first equation by 7 and the second equation by 6 to obtain a common coefficient for 'x'.First equation: 7(6x−5y)=7(−32) gives us 42x−35y=−224.Second equation: 6(−7x+8y)=6imes46 gives us −42x+48y=276.
Add Equations to Eliminate Variable: Add the two new equations to eliminate 'x'.(42x−35y)+(−42x+48y)=−224+27642x−42x−35y+48y=520x+13y=52
Solve for y: Solve for 'y'. Divide both sides of the equation by 13 to isolate 'y'.1313y=1352y=4
Substitute y into Equation: Substitute y=4 into one of the original equations to solve for 'x'. We will use the first equation 6x−5y=−32. 6x−5(4)=−32 6x−20=−32
Isolate x Term: Add 20 to both sides of the equation to isolate the term with 'x'.6x−20+20=−32+206x=−12
Solve for x: Divide both sides of the equation by 6 to solve for 'x'.66x=6−12x=−2
Write Solution as Coordinate Point: Write the solution as a coordinate point. The solution is (−2,4).
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