Class 8MathematicsLinear Equations in One Variable
Word Problems
Translate English to algebra: "a number" โ x, "twice a number" โ 2x, "3 more than" โ +3, "is equal to" โ =. Types: age problems, perimeter problems, speed-distance, money. Example: "Sum of three consecutive integers is 54." Let them be n, n+1, n+2. n+(n+1)+(n+2)=54 โ 3n+3=54 โ n=17. Numbers: 17, 18, 19.
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