(5x-6)×4=56 (98-4x)÷3=18 6x-4x=26 10.4-5.4x=75解方程怎么做
问题描述:
(5x-6)×4=56 (98-4x)÷3=18 6x-4x=26 10.4-5.4x=75解方程怎么做
答
(5x-6)×4=565x-6=56÷4 5x-6=14 5x=14+6 x=20÷5 x=4(98-4x)÷3=1898-4x=18×3 98-4x=54 4x=98-54 x=44÷4 x=116x-4x=26(6-4)x=26 2x=26 x=26÷2 x=1310.4-5.4x=755.4x=...