a) 1/3x + 1/4 = 1/4x - 2/3 1/3x - 1/4x = -2/3 - 1/4 4/12x - 3/12x= -8/12 - 3/12 1/12x = -11/12 x = -11 b) 2 (x + 4) - 6 = 3 (x - 2) + 7x 2x + 8 - 6 = 3x - 6 + 7x 2x + 2 = 10x - 6 8x = 8 x = 1 c) 3/5x + 1 = 2 3/5x = 1 3x = 5 x = 5/3
a) 1/3x+1/4=1/4x-2/3 1/3x-1/4x=-2/3-1/4 4/12x-3/12x=-8/12-3/12 1/12x=-11/12 /: 1/12 x=-11 spr 1/3*(-11)+1/4=1/4*(-11)-2/3 -11/3+1/4=-11/4-2/3 -44/12+3/12=-33/12-8/12 -41/12=-44/12 L=P b) 2 (x + 4) - 6 = 3 (x - 2) + 7x 2x+8-6=3x-6+7x 2x-10x=-6-2 -8x=-8/:(-8) x=1 spr 2(1+4)-6=3(1-2)+7*1 2*5-6=3*(-1)+7 4=4 L=P c) ⅗ x + 1 = 2 3/5x=2-1 3/5x=1 /: 3/5 x=5/3 x=1i 2/3 spr 3/5 * 5/3+1=2 1+1=2 2=2 L=P
a)⅓ x + ¼ = ¼ x - ⅔/*12 1/3x + 1/4 = 1/4x - 2/3 1/3x - 1/4x = -2/3 - 1/4 4/12x - 3/12x= -8/12 - 3/12 1/12x = -11/12 x = -11 b) 2 (x + 4) - 6 = 3 (x - 2) + 7x 2x+8-6=3x-6+7x -8x=-8/*(-1) x=1 2x+8-6=3x-6+7x 2*1+8*1-6=3*1-6+7*1 4=4 c) ⅗ x + 1 = 2 /*5 3x+5=10 3x=10-5 x=5/3
