Hallar la respuesta de la x

Question

1) X - 8 =-30
2) 5x=-76
3) x+ ¹/2 = - 3/4

Answer 1

1) X = -30 + 8
X = -22

2) x = -76 / 5
x = -15.2

3) x = -3/4 - 1/2
x = -3/4 - 2/4
x = -5/4
x = -1.25