Question

encontre as raizes (solucao) de cada equacao a)x+1/2=7/4+x+1/4 b)-1/4(x-2)=2x-1/3 c)x-5/2-2.(x+2=4/5 d) 3(x+5)-2.(x+1=-10

Answer 1

A
$x + x = \frac{7}{4} + \frac{1}{4} - \frac{1}{2} \\ x = \frac{7}{4} + \frac{1}{4} - \frac{2}{4} x = 7 +1 + 2 \\ x = 10 \\ x = \sqrt{10}$