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If 3(x - y) = 27 and 3(x + y) = 243, then x is equal to: A. 0 B. 2 C. 4 D. 6

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45
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Maths teacher

X= 45
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Headstart to assured 95+ score in math

45
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Headstart to assured 95+ score in math

X=45 y=36
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Tutor

none of the above.
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Home Tutor

None of the answers given are correct. In faact x = 45 is the correct solution of the given equations.
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Math Educator for Std.11th ,12th , Engineering Entrance and Degree Level with 11+ Years Experience

3x - 3y = 27 , 3x + 3y = 243 adding both equations, we get 6x = 270 so x = 270 / 6 = 45 x = 45
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Math Educator for Std.11th ,12th , Engineering Entrance and Degree Level with 11+ Years Experience

put a option E.) none of the above mr. srikanth
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Teaching is my passion!!!!

45
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Maths teacher from 8 years

x=45 & y=36
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