Question

a) solutia ecuatiei 2x+3=1 b)solutia ecuatiei x supra 2+1 supra 3+5 supra 6 c)3(x+3)=9 d)solutia ecuatiei |x|+1=4

Answer 1

a) 2x+3=1
2x= 1-3
2x= -2
x= -1

b) x/2 + 1/3+5/6= 0
3x+2+5=0
3x+7=0
3x= -7
x= -7/3

c) 3x+9=9
3x=0
x=0

d)|x|= 4-1
|x|= 3 
x= 3 
x= -3