How can I simplify this?
4(2z - 1) - 5z
First, use the distributive property by multiplying the 4 by each term inside the parenthesis...
(4·2z - 4·1) - 5z
8z - 4 - 5z
Then add like term, if any...
3z - 4
How can I simplify this?
4(2z - 1) - 5z
First, use the distributive property by multiplying the 4 by each term inside the parenthesis...
(4·2z - 4·1) - 5z
8z - 4 - 5z
Then add like term, if any...
3z - 4
4(2z - 1) - 5z Given
4*2z - 4*1 - 5z Distribute the 4
8z - 4 - 5z Simplify (4*2z = 8z, 4*1 = 4)
8z - 5z - 4 Commutative property of addition
3z - 4 Simplify (8z - 5z = 3z)