Question

Va rog muult ajutoor,nu stiu nmk!!!

Answer 1

4.a) 2x+1=5 2x=5-1 2x=4 X=4:2 X=2 b) x-1\3=5 X-1\3 = 5\1 X-1•1 = 3• 5 X-1=15 X=15+1 X=16 c) x+1\2 = x-2\3 x+1•3 = 2• x-2 X+3=2x-2 2+3=2x-x 5=x X=5 d) |x-3|=7 X-3=7 X=7+3 X=10