Решите уравнения9х+10=0-9х+10=-7-4х+5=8хх+12=4х

9х+10=0, 9x=-10,  x=-10/9-9х+10=-7, -9x=-7-10,  -9x=-17, x=17/9-4х+5=8х, -4x-8x=-5,  -12x=-5, x=5/12х+12=4х, x-4x=-12, -3x=-12, x=-12:(-3), x=4

[latex]1)9x+10=0 \ 9x=-10 \ x=-1 frac{1}{9} \ \ 2)-9x+10=-7 \ -9x=-7-10 \ -9x=-17 \ x=1 frac{8}{9} \ \ 3)-4x+5=8x \ -4x-8x=-5 \ -12x=-5 \ x= frac{5}{12} \ [/latex][latex]4)x+12=4x \ x-4x=-12 \ -3x=-12 \ x=4[/latex]