Question

Rezolvati in Z ecuatiile: a) x-5=6 b) x+7=12 c) x + 8=4 d) x-8= -10 e) x + 3 =3 f) x+7=0.

Answer 1

a) x = 6+5 => x = 11
b) x = 12-7 => x = 5
c) x = 4-8 => x = -4
d) x = -10+8 => x = -2
e) x = 3-3 => x = 0
f) x = 0-7 => x = -7

Answer 2

a) x-5=6=> x= 6+5=> x= 21
b) x+7=12=> x= 12-7=> x= 5
c) x + 8=4=> x= 4-8=> x= -4
d) x-8= -10=> x= -10+8=> x= -2
e) x + 3 =3=> x= 3-3=> x= 0
f) x+7=0=> x= 0-7=> x= -7