Simplify:
$(2 x - y) + (2 y - 3 x) + (3 y - x)$

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Solution

$(2 x - y) + (2 y - 3 x) + (3 y - x)$
$= 2 x - y + 2 y - 3 x + 3 y - x$
$= 2 x - 4 x + 5 y - y$
$= - 2 x + 4 y$

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Similar questions

(2 x - 3 y) (3 x + y) + (x + 2 y) (x - y)

Try simplifying these:

(i) (3x + 2y) − (x + y)

(ii) (3x + 2y) − (x − y)

(iii) (x + y) − (x − y)

(iv) (x − y) − (x + y)

(v) (4x − 3y) − (2x − 5x)

Now can’t you simplify these?

(i) 2x + (3x + 1)

(ii) x + (2x + 3)

(iii) (x + 2) + (2x + 1)

(iv) (x + 1) + (x + y)

(v) (3x + 2y) + (x + y)

(vi) (3x + 2y) + (2x + 3y)

(x - 2 y) (y - 3 x) + (x + y) (x - 3 y) - (y - 3 x) (4 x - 5 y)

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