Question 1173893
{{{7 + (4/5)a-(2/3)a + 2}}}
We put the variable and the integers together.
1) {{{(4/5)a-(2/3)a}}}={{{(2/15)a}}}
2) 7+2=9
{{{7 + (4/5)a-(2/3)a + 2}}}={{{(2/15)a+9}}}