Check whether (2, 3) is a solution of the equation 7x - 3y = a and (a, a + 1) is a solution of the equation, then find a and b
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The highest score is = 87
Step-by-step explanation:
The highest score is = 87. Highest marks obtained by a student in her class is twice the lowest marks plus 7= 2x + 7. 5/2 of the number = (5/2) x. The given above statement can be written in the equation form as, Then, = 2x + 7 = Highest score. = 2x + 7 = 87. By transposing 7 from LHS to RHS it becomes -7. = 2x = 87 – 7.
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