Chat with our AI personalities
If you mean: 6a+7 = 5a then the value of a is -7
(5a).7 = -23 7(5a) = -23 35a = -23 a = -23/35 a= -0.657 (3 d.p.)
5a - 1 = a - 7 4a = -6 a = -1.5
Oh, come on! 6a - 5a = a, 7 - 5 = 2
5a + 2 = 7 subtract 2 from both sides: 5a = 5 divide both sides by 5: a = 1