Question

赶作业,帮忙解方程：要过程,全部

Answer 1

(1)4x=168

x=168/4

x=42

(2)x/3=5.5

x=3*5.5

x=16.5

(3)0.9x=2.44

x=2.43/0.9

x=2.7

(4)x/15=180

x=180*15

x=2700

(5)14x=7

x=7/14

x=0.5

(6)x/2.5=0.8

x=2.5*0.8

x=2