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Addition and Subtraction of Algebraic Expression

Subtract:

Question

Subtract:
$5 x$ from $2 x$
$- 7 x$ from $9 y$

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Solution

$2 x - 5 x = 3 x$
$9 y - (- 7 x) = 9 y + 7 x$

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Similar questions

Q. Do the following subtractions as directed.
Subtract

(3 x^{3} - 7 x + 4)

(5 x^{3} + 7 x^{2} - 2 x)

Q. Subtract the sum of

({5 x}^{2} - 7 x + 4)

(2 x - {5 x}^{3} + 1)

({3 x}^{2} - 1 + 5 x)

.

Q. Subtract the sum of (x + 2y - 7xy + 5z ) and (- 6x + 9y - 24xy - 9z) from the sum of (5x + 2xy + 4y) and (7x - 16xy + 6y + 6z).

Q. Which rational expression should be subtracted from

\frac{4 x^{3} - 7 x^{2} + 5}{2 x - 1}

2 x^{2} - 5 x + 1

?

Q. Simplify :
(i)

(5 x - 9 y) - (- 7 x + y)

[7 - 2 x + 5 y - (x - y)] - (5 x + 3 y - 7)

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