Respuesta :
Step-by-step explanation:
A 10 + x = 23
x = 23 - 10
x = 13
B - 7.4x = - 22.2
x = - 22.2 / - 7.4
x = 3
C 12.7 = x - 3.8
12.7 + 3.8 = x
16.5 = x
D - 3/5x = 6
-0.6x = 6
x = 6/- 0.6
x = - 10
Step-by-step explanation:
A 10 + x = 23
x = 23 - 10
x = 13
B - 7.4x = - 22.2
x = - 22.2 / - 7.4
x = 3
C 12.7 = x - 3.8
12.7 + 3.8 = x
16.5 = x
D - 3/5x = 6
-0.6x = 6
x = 6/- 0.6
x = - 10