(1.8*15+1*15)+(2.3*X+1*X)=58.5
1个回答
27+15+3.3x=58.5
3.3x=16.5
x=16.5÷3..3
x=5
相关问题
1.5×1.8+2.3(X-15)+X=58.5
3/8x-15=(5/8x+15)*1/5
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
X-(1/5X+1/5X-15)=3/5X+15
(-5/24)x8/15x(-3/2)x1/4
解方程(110-x )÷2.4=15 1.35÷x=15 1.8x-x=3.6÷1.2 3.5(x+5)=105 (x-
3(5-4x)=9 5/8x-1/3x-1/2=2/3 2/5(1-0.375x)=4/15
解方程:1+x=8/7 x+1/8=15/16 x-5/12=3/8 x-3/4=1/2
解方程.(1) (1 2 3 +8 1 5 ):x= 2 15 : 5 9