What is (4-5y)-(2y-16) ?

The solution to (4-5y)-(2y-16) is -7y+20

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simplify (4-5y)-(2y-16)

simplify

(4 - 5 y) - (2 y - 16)

- 7 y + 20

Solution steps

(4 - 5 y) - (2 y - 16)

Apply rule:

(a) = a

(4 - 5 y) = 4 - 5 y

= 4 - 5 y - (2 y - 16)

Apply the distributive law:

- (a - b) = - a + b

- (2 y - 16) = - 2 y + 16

= 4 - 5 y - 2 y + 16

Group like terms

= - 5 y - 2 y + 4 + 16

Add similar elements:

- 5 y - 2 y = - 7 y

= - 7 y + 4 + 16

Add the numbers:

4 + 16 = 20

= - 7 y + 20

lo g_{5} (\frac{1}{2})

6 a^{2} b - 2 a b^{3}

3 i (2 + 5 i) + (6 - 7 i) - (9 + i)

(x + y - z)^{2}

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