Question

Solve negative two-thirds times a plus two-fifths equals three-fourths for a.

a equals negative seven-fortieths

a equals negative seven-tenths

a equals negative twenty-one fortieths

a equals negative twenty-one tenths

Answer 1

@kelliegirl33

Answer 2

-2/3a + 2/5 = 3/4 --- subtract 2/5 from both sides
-2/3a = 3/4 - 2/5 -- common denominator is 20
-2/3a = 15/20 - 8/20
-2/3a = 7/20 --- divide by -2/3
a = (7/20) / (-2/3)
a = 7/20 * -3/2
a = - 21/40