4(1-0.5а)=-2(3+2а) 5(x+1.2)=12.5x 1/2 (4- 3 1/2x)=1 1/4x -1/2 4(3-2x)+24=2(3+2x)

[latex] \frac{1}{2} (4-3 \frac{1}{2} x)=1 \frac{1}{4} x- \frac{1}{2} \\ 2-1 \frac{3}{4} x=1 \frac{1}{4} x- \frac{1}{2} \\ -1 \frac{3}{4} x-1 \frac{1}{4} x=- \frac{1}{2} -2 \\ -3x=-2 \frac{1}{2} \\ x=- \frac{5}{2} *(- \frac{1}{3} ) \\ x= \frac{5}{6} [/latex] 4(1-0,5a)=-2(3+2a) 4-2a=-6-4a -2a+4a=-6-4 2a=-10 a=-10:2 a=-5 ========== 5(x+1,2)=12,5x 5x+6=12,5x 5x-12,5x=-6 -7,5x=-6 x=-6:(-7,5) x=0,8 ============= 4(3-2x)+24=2(3+2x) 12-8x+24=6+4x -8x-4x=6-12-24 -12x=-30 x=-30:(-12) x=2,5 =============