Question

解方程 6X=3X15 75X减3X =15 7X=25X35 54X=34X2 12X=23X14 10X+3X=91

Answer 1

6X=3X15 X=45/6 X=7.5 75X减3X =15 72X=15 X=15÷72 X=5/24 7X=25X35

X=25X35÷7

X=125

54X=34X2

X=68/54

X=34/27

12X=23X14

X= 23X14÷12

X=161/3

10X+3X=91

13X=91

X=91÷13

X=7

10X=200X8

X=200×8÷10

X=160