Read the following sentences and tick (✓) the assertive/declarative sentences. 1. He does not want to go to the party. 2. What are you doing here? 3. How are you, Smitha? 4. Sachin Tendulkar would be remembered as one of the greatest cricketers of the world. 5. Keep the windows closed till the rain stops. 6. Her sister is six years old.
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Linear equations in two variables. If a, b, and r are real numbers (and if a and b are not both equal to 0) then ax+by = r is called a linear equation in two variables. (The “two variables” are the x and the y.) The numbers a and b are called the coefficients of the equation ax+by = r.
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