5t+(t-3)-[(7t+5)-(8-3t)]
Let's simplify step-by-step.5t+t−3−(7t+5−(8−3t))Distribute the Negative Sign:=5t+t−3+−1(7t+5−(8−3t))=5t+t+−3+−1(7t)+(−1)(5)+(−1)(−8)+−1(3t)=5t+t+−3+−7t+−5+8+−3tCombine Like Terms:=5t+t+−3+−7t+−5+8+−3t=(5t+t+−7t+−3t)+(−3+−5+8)=−4tAnswer:=−4t