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SAI International School
Grade-VII
Mathematics
CHAPTER-4: Simple Equations,
HOME ASSIGNMENT-5
SUBTOPICS: Recap
1. Solve the following equations by trial and error method
3m – 14 = 4
2. Give first the step you will use to separate the variable and then solve the equation
(a) y + 4 = 4
(b) y + 4 = – 4
3. Solve the following equations
(a) – 4(2 + x) = 8
(b) 4(2 – x) = 8
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4. Verify that x = 8 is the solution of the equation x + 7 = 11
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5. Solve 3(x – 1) = 2x – 11 and check the result..