4x+1.5=5.5-4.5

4x+1.5=5.5-4.5 (2x+x+x/1.5)*4=110求x 8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2 请问,这几道关于一元一次方程的题目,我做对了没有?(1) 3X+0.5X=10.53.5x=10.5X=3(2) 5X-2X＝93x=9X=3(3) X+6x+5x=1812x=18X=1.5(4) 10x-4.5X=2.5乘以3.55.5x=8.75X=1.59(5) -6.5X=2.5乘以3.5-6.5x=8.75X=-1.34 一、解方程.4.5x6+4x=41 7x-3.4x=0.72 2x+1.5x=42一、解方程.4.5x6+4x=417x-3.4x=0.722x+1.5x=42(x-4.5)x6=31.8x除1.2=8(x+1.7)除3=1.4 2（3x-4)+7(4-x)=4x3(1.5x-3)-1.5(x+5)=3.30.6(2x-1)-0.3(x-1)=3.39.6x/6-12.6x/9=5.5 26.2-9X=8.24（X+2)=11.64X+0.5乘3=6.75X-3.3=7.31.7X-0.7X=20X-4.5+5.5=158X+5乘7=914.8X+3.4乘6.7=34.785.4X+0.6X=6.63.5（X乘7）=25.913.056除X+3.20.35乘X=8.898（X-3）-5X=275X+20==10024-16X=2.77.5乘6-5X=0.825X-16X=2.73.5乘C(X+50)=238X-12.6=8.4 4.5X-7.2=1.5X丶百分之4X+4/3乘4=7x-8[解方程] 5.5x+21-x=50-4.5x 5.5x+21-x=50-4.5x-11 3/4:x=5/16x:0.8=1/4 1.5x=4.5 6.3+4.5x=36.3-5.5x x+ x+(x*50%)=1.5X? 3X-18=13.2 1.5X-X=6 4X+1.2X=26 x+1.5x=7500 x-0.85x=3 4x-1.2=74 1.5X-X=X+4 35+X除2=7+x 4.3x-1.5+3.2x =4.5 4X-2(5.5-X)=3.5X-8 求解