Q. Find the solution of the system of equations.4x−8y=168x−9y=39Submit Answer
Simplify Equation: Simplify the first equation if possible.The first equation is 4x−8y=16. We can simplify this by dividing every term by 4 to reduce the coefficients.44x−48y=416x−2y=4
Express x in Terms: Use the simplified first equation to express x in terms of y. From the simplified equation x−2y=4, we can solve for x: x=2y+4
Substitute x in Equation: Substitute the expression for x into the second equation.The second equation is 8x−9y=39. We substitute x=2y+4 into this equation:8(2y+4)−9y=39
Combine Like Terms: Distribute and combine like terms in the second equation.16y+32−9y=39(16y−9y)+32=397y+32=39
Solve for y: Solve for y.Subtract 32 from both sides of the equation:7y=39−327y=7Divide both sides by 7:y=77y=1
Substitute y in x: Substitute the value of y back into the expression for x. We have x=2y+4, and we found that y=1. x=2(1)+4x=2+4x=6
Check Solution: Check the solution by substituting x and y into both original equations.First equation: 4x−8y=164(6)−8(1)=1624−8=1616=16 (True)Second equation: 8x−9y=398(6)−9(1)=3948−9=3939=39 (True)