2(x+0.6)=7(x-3.4)
4个回答
2(x+0.6)=7(x-3.4)
2x+1.2=7x-23.8
5x=25
x=5
相关问题
解方程. 4.2x-2.7×4=6 0.8x+x=5.4 2x-3.4=7.2 5.3+3x=6.8 6.3-2x+4.
已知3x2+4x-7=0,则6x4+11x3-7x2-3x-7=______.
已知3x2+4x-7=0,则6x4+11x3-7x2-3x-7=______.
解方程2(0.3X+4)-5(0.2x-7)=9 2(3y-4)+7(4-y)=4y 4(15-2x)-6x=16x-6
1)x÷0.7+1.2乘3=4.1(2)6.4x+3.6x=100(3)(x+4.6)÷1.2=7.8 (4)1.6x-
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119
131-(7X+19)=35、(4.8-2)X+2=7.6、X-(7.6-0.4)=5.4、6(X-3.5)=17.8+
15-2x=7.5 1.6÷x=2.4÷0.15 2.7÷0.3-7x=5.5 18x-4x-2.5x=3.68 3.6
1/2x+3=1/3x+2 0.5x-0.7=6.5+0/2x 1-7/3x=2/3x+19 0.4x-1/4=8-1/
解下列方程.(1)0.6x-0.3x=4.5(2)3x+7=59.2(3)2x÷0.6=4.5(4)3x-6×2=51.