How do you combine #5z - [ 3z - ( 10z + 3) ]#?

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Answer 1 · 2018-01-24T12:37:59

#12z + 3#

Combine
#5z−[3z−(10z+3)]#

This is an Order of Operations problem.

Clear the parentheses to see what the terms really are.
Combine like terms.

1) Clear the parentheses

1) Clear the innermost parentheses first.
#5z−[3z−color(red)((10z+3))]#

2) Clear that parentheses by distributing the minus sign, like this:
#5z−[3z−10z-3]#

3) Now clear the brackets by distributing the minus sign
#5z−3z+10z+3#

2) Combine like terms

#12z + 3# #larr# answer