Seudónimo Seudónimo

01-11-2019
Mathematics

contestada

1. -3 2/5 + b = 8 1/5

2. -7/3 n = -42

PLZ HELP ASAP I WILL MARK BRAINLIEST

Respuesta :

Gigi007 Gigi007

01-11-2019

1. Convert the mixed numbers into improper numbers (-3 2/5 = -17/5 and 8 1/5 = 41/5). Then add 17/5 to both sides when means b=58/5

2. Multiply both sides by the reciprocal of -7/3 (which is -3/7). So n=18

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