[tex] \sf{answer: }\\ \bold{ - 35.77 + 37.73 m} \\ \sf {step - by - step \: explaination:} \\ -7.7(5.1 - 4.9m) + 3.5 \\ - 7.7 \times 5.1 - 7.7( - 4.9m) + 3.5 \\ - 7.7 \times 5.1 + 7.7 \times 4.9m + 3.5 \\ - 7.7 \times 5.1 + 37.73m + 3.5 \\ - 39.27 + 37.73m + 3.5 \\ \bold{ - 35.77 + 37.73 m} [/tex]
