98x-74x=94.5 89x-74x=94.5 5.8x+6.2x=18 5.3x2.7x=18会的都来帮帮忙啊 最好竖着写答案 555

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98x-74x=94.5 89x-74x=94.5 5.8x+6.2x=18 5.3x2.7x=18会的都来帮帮忙啊 最好竖着写答案 555
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98x-74x=94.5 89x-74x=94.5 5.8x+6.2x=18 5.3x2.7x=18会的都来帮帮忙啊 最好竖着写答案 555
98x-74x=94.5 89x-74x=94.5 5.8x+6.2x=18 5.3x2.7x=18
会的都来帮帮忙啊 最好竖着写答案 555

98x-74x=94.5 89x-74x=94.5 5.8x+6.2x=18 5.3x2.7x=18会的都来帮帮忙啊 最好竖着写答案 555
98x-74x=24x=94.5
x=63/16
89x-74x=15x=94.5
x=6.3
5.8x+6.2x=12x=18
x=1.5
5.3x+2.7x=8x=18
x=9/4

98x-74x=94.5
(98-74)x=94.5
24x=94.5
x=94.5÷24
x=3.9375
89x-74x=94.5
(89-74)x=94.5
15x=94.5
x=94.5÷15
x=6.3
5.8x+6.2x=18
(5.8+6.2)x=18
12x=18
x=18÷12
x=1.5
5.3x+2.7x=18
(5.3+2.7)x=18
8x=18
x=18÷8
x=2.25

（X+X)+(X-X)+(X*X)+(X/X)=100 98x-74x=94.5 89x-74x=94.5 5.8x+6.2x=18 5.3x2.7x=18会的都来帮帮忙啊 最好竖着写答案 555 x*x*x*x*x=80000? x x X x x x x x x x x |x| X x x