7.4(x+5)-6.5x=122.3
2个回答
解
7.4x+37-6.5x=122.3
0.9x=122.3-37
0.9x=85.3
x=85.3÷0.9
x=853/9
相关问题
3x·x-5x-122x·x·x-x·x-4x+3x·x·x-6x-5x·x+6x+64x·x+12x+7
x+5 6x+4>7 x/3=7 3x=5*6 a
(5x-3)/4=3+(7x+5)/6
求未知数x.9×1.8-122x=3.6 8.4 0.35 =x:1.5 1 3 x+ 5 6 x= 2 3 × 1 4
(4)1/6(3x-6)=2/5x-3 (5)3(x-7)+5(x-4)=15 (6)4x-3(20-x)=-4
f(x)=7x^7+6x^6+5x^5+4x^4+3x^3+2x^2+x
7x=2+3x 3.5x=28 5(x+8)-5=6(2x-7) 9(x-4)=7(4-x)
5x+3/(4+6)=5.3*(5-7)-2.5x
1) 6X-7=6X+72) X+5 3X+7 5X-3----- - ------ = ------4 16 123)
(3.5x-7)\6=8-4x 48-(7.5-x)*4=9x