Rozwiążcie to szybko proszę podziekuje. 5x-7=9-3x 2(3x+4)=4x-8 3/4 (2x-3)=7+3x Pliss szybko

5x-7=9-3x 5x+3x=9+7 8x=16 / :8 x= 2 2(3x+4)=4x-8 6x+8=4x-8 6x-4x=-8-8 2x=-16 /:2 x=-8 3/4 (2x-3)=7+3x 2 1/2x - 2 1/4 = 7 + 3x 2 1/2x-3x = 7+ 2 1/4 - 1/2x = 9 1/4 /:(-1/2) x =  -18 1/2

5x-7=9-3x 5x + 3x = 9 + 7 8x = 16      /:8 x = 2 2(3x+4)=4x-8 6x + 8 = 4x - 8 6x - 4x = -8 - 8 2x = - 16    /:2 x = - 8 3/4 (2x-3)=7+3x 3/2x - 9/4 = 7 + 3x 3/2x - 3x = 7 - 2 1/4 - 3/2x = 6 4/4 - 2 1/4 - 3/2x = 4 3/4 - 3/2x = 19/4      /*(-2/3) x = 19/2 * (-1/3) x = - 19/6 x = - 3 1/6