What is 4(5y+2z)+8z-4(5z-2y) ?

The solution to 4(5y+2z)+8z-4(5z-2y) is 28y-4z

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simplify 4(5y+2z)+8z-4(5z-2y)

simplify

4 (5 y + 2 z) + 8 z - 4 (5 z - 2 y)

28 y - 4 z

Solution steps

4 (5 y + 2 z) + 8 z - 4 (5 z - 2 y)

Expand

4 (5 y + 2 z) : 20 y + 8 z

= 20 y + 8 z + 8 z - 4 (5 z - 2 y)

Expand

- 4 (5 z - 2 y) : - 20 z + 8 y

= 20 y + 8 z + 8 z - 20 z + 8 y

Add similar elements:

8 z + 8 z - 20 z = - 4 z

= 20 y - 4 z + 8 y

Group like terms

= 20 y + 8 y - 4 z

Add similar elements:

20 y + 8 y = 28 y

= 28 y - 4 z

u^{3} - 64

x^{3} y - 36 x y

ln (e^{\frac{1}{3}})

\frac{4 ^{2}}{4 ^{- 3}}

(1 + i)^{- 1} - i^{- 1}