упростите выражение 7y-(3y-(8y-(5-6y)))

Question

упростите выражение 7y-(3y-(8y-(5-6y)))

Answer 1

7y-(3y-(8y-(5-6y)))=7у-(3у-(8у-5+6у))=7у-(3у-8у+5-6у)=7у-3у+8у-5+6у=18у-5

Answer 2

7у-(3у-(8у-5+6у)=7у-(3у-8у+5-6у)=7у-3у+8у-5+6у=18у-5