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Questions and Answers
What is the value of 'x' in the equation 3x - 7 = 8?
What is the area of a rectangle with length 5 cm and width 3 cm?
What is the value of 'y' in the equation 2y + 5 = 13?
Study Notes
Solving Equations
- To solve the equation 3x - 7 = 8, add 7 to both sides, resulting in 3x = 15, then divide both sides by 3 to find x = 5.
- To solve the equation 2y + 5 = 13, subtract 5 from both sides, resulting in 2y = 8, then divide both sides by 2 to find y = 4.
Area of a Rectangle
- The area of a rectangle is found by multiplying the length by the width.
- The area of a rectangle with a length of 5 cm and a width of 3 cm is 5 cm x 3 cm = 15 cm^2.
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Description
Test your knowledge of 7th grade mathematics with this quiz based on NCERT curriculum. Covering topics such as fractions, decimals, angles, and more.
