a) x + 2 = 7
b) 3 + x = 0
c) 5 = x – 1
d) x – 4 = -8
e) 7 + x = -20
f) x – 5 = -9
g) (-8) + x = -2
h) x + 2 = 14
me ayudan garacias
Respuestas
Explicación paso a paso:
a) x + 2 = 7 e) 7 + x = -20
x = 7 -2 x = -20 - 7
x = 5 x = -27
b) 3 + x = 0 f) x - 5 = -9
x = -3 x = -9 + 5
x = -4
c) 5 = x - 1
5 + 1 = x g) (-8) + x = -2
6 = x x - 8 = -2
x = -2 + 8
d) x - 4 = -8 x = 6
x = -8 + 4
x = -4 h) x + 2 = 14
x = 14 - 2
x = 12
espero q te ayude :D