Question

a) 2x+6=18
b) x+6/2=3
c) 2(x-5)+3x+7=42
d) 3(2x+1)-3x=0
e) 2x-3/3+3x-d/2 =4x+3/4-5/12
f) 3(x+2)-2(1-x)=4x+5
g) 2x+5/3=x-5/4
h) modul 2x+3 modul =7
i) 3 ·(x+6)=21
j) 2x+7/3=1+x+2/
k) modul 2x-3 modul=5
l)√2+2x=√18
m)√3x+1=√27+1
n) x/2+3x-1/6=2/3


vă rog frumos să mi le rezolvați plzzzzzzzzzzz
acolo unde îi bara asta/ înseamnă supra

Answer 1

a)2x+6=18
2x=18-6
2x=12
x=12:2=6
b)x+6/2=3
x+6=3•2
x+6=6
x=6-6=0
c)2(x-5)+3x+7=42
2x-10+3x+7=42
2x+3x=42+10-7
5x=45
x=9
d)3(2x+1)-3x=0
6x+3-3x=0
3x=-3
x=-1