Question

a) x- 35,77= 89,123

b)x+ 41,17=12,3x4

c)67,8-x=27

d)x:3=7716+22,1

e)x: 5 =0,127x9

Answer 1

\(a,x-35,77=89,123\\ \Rightarrow x=89,123+35,77\\ \Rightarrow x=124,893\)

\(b,x+41,17=12,3\times4\\ \Rightarrow x+41,17=49,2\\ \Rightarrow x=49,2-41,17\\ \Rightarrow x=8,03\)

\(c,67,8-x=27\\ \Rightarrow x=67,8-27\\ \Rightarrow x=40,8\)

\(d,x:3=7716+22,1\\ \Rightarrow x:3=7738,1\\ \Rightarrow x=7738,1\times3\\ \Rightarrow x=23214,3\)

\(e,x:5=0,127\times9\\ \Rightarrow x:5=1,143\\ \Rightarrow x=1,143\times5\\ \Rightarrow x=5,715\)