Помогите решить уровнение. 5x-(3x+7)=83 57=15-(12-6x) 32=7x+(4x-45) ???????????? ?????????? ???????????? 10x-(5-x)=39 48=13x-(5x-8) 36=25x-(108+x) ??????????? ??????????? ?????????????

1) 5x-(3x+7)=83 5x-3x-7=83 2x-7=83 2x=83+7 2x=90 x=90/2 x=45 2) 57=15-(12-6x) 57=15-12+6x 57=3+6x 3+6x=57 6x=57-3 6x=54 x=54/6 x=9 3) 32=7x+(4x-45) 32=7x+4x-45 32+45=11x 11x=32+45 11x=77 x=77/11 x=7 4) 10x-(5-x)=39 10x-5+x=39 11x=39+5 11x=44 x=44/11 x=4 5) 48=13x-(5x-8) 48=13x-5x+8 48=8x+8 8x+8=48 8x=48-8 8x=40 x=40/8 x=5 6) 36=25x-(108+x) 36=25x-108-x 36=24x-108 24x-108=36 24x=36+108 24x=144 x=144/24 x=6