What is (x+5)-(3x-7) ?

The solution to (x+5)-(3x-7) is -2x+12

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simplify (x+5)-(3x-7)

simplify

(x + 5) - (3 x - 7)

- 2 x + 12

Solution steps

(x + 5) - (3 x - 7)

Apply rule:

(a) = a

(x + 5) = x + 5

= x + 5 - (3 x - 7)

Apply the distributive law:

- (a - b) = - a + b

- (3 x - 7) = - 3 x + 7

= x + 5 - 3 x + 7

Group like terms

= x - 3 x + 5 + 7

Add similar elements:

x - 3 x = - 2 x

= - 2 x + 5 + 7

Add the numbers:

5 + 7 = 12

= - 2 x + 12

3162

2 x^{2} - 26 x + 60

3 x^{2} - 12 x + 6

(\frac{- 2}{7})^{- 2}

3^{2 n}