Question

resolva em r a equação 2a/3 +1= 1/2 - a/4​

Answer 1

$\frac{2a}{3} + 1 = \frac{1}{2} - \frac{a}{4}$

$\frac{8a}{12} + \frac{12}{12} = \frac{6}{12} - \frac{3a}{12}$

$8a + 3a = 6 - 12$

$11a = - 6$

$a = - \frac{6}{11}$