Question

j plus seven-tenths equals four-fifths


j equals three-fifths

j equals three-tenths

j equals one-fifth

j equals one-tenth

Answer 1

You have to start by isolating your variable, j, and will need to ensure that both fractions have the same denominator before you will be able to do any +/- operations on them.

Answer 2

@Anonymous1921

Answer 3

\[\frac{ 4 }{ 5 }=\frac{ 8 }{ 10 }\]So\[j=\frac{ 8-7 }{ 10 }\]

Answer 4

ight thx agin