Question

2x+3=0
√3x+3√3=2√3
3x-12=15
5x+4=2x-6
4:(x+11)=

Answer 1

2x+3=0, 2x=-3, x=-3/2

$\sqrt{3} x + 3 \sqrt{3} = 2 \sqrt{3} \\ \sqrt{3x} = 2 \sqrt{3} - 3 \sqrt{3} \\ \\ \sqrt{3x} = - \sqrt{3 } \\ x = - 1$

3x-12=15, 3x=15+12, 3x=27, x=9

5x+4=2x-6, 3x=-10, x=-10/3