x=1720−920x equals 17 over 20 end-fraction minus 9 over 20 end-fraction : Keep the denominator the same.
x=17−920=820x equals the fraction with numerator 17 minus 9 and denominator 20 end-fraction equals 8 over 20 end-fraction : (which can be simplified to 25two-fifths if required). Summary of Educational Concepts x=1720−920x equals 17 over 20 end-fraction minus 9
: Find the numbers that satisfy both conditions. The numbers work for both. 3. Solving Fraction Equations Example : Solve x=1720−920x equals 17 over 20 end-fraction minus 9
: Understanding that the top number indicates how many of those parts are being considered. x=1720−920x equals 17 over 20 end-fraction minus 9