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Subtraction of Algebraic Expressions

Subtract -4 x...

Question

Subtract -4x + 6 from -5x + 8 and then add 2x + 3 to the result

- x + 5

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x + 5

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2x + 5

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-2x + 5

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Solution

The correct option is B
x + 5

(- 5x + 8) – (-4x + 6) = - 5x + 8 + 4x – 6

= - 5x + 4x + 8 - 6

= - x + 2

Now add 2x + 3 to the result - x + 2

We get : - x + 2 + 2x + 3 = x + 5

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