\(a,5\cdot\left(x+35\right)=515\)
\(x+35=515:5\)
\(x+35=103\)
\(x=103-35\)
\(x=68\)
a)x +35=103 c)460 +340=(x+200):4
x=68 800=(x+200):4
b)(x+ 40).15=900 x+200=3200
x+40=60 x=300
x=20
câu b cậu viết sai nha, đi
\(c,460+85\cdot4=\left(x+200\right):4\)
\(800=\left(x+200\right):4\)
\(800\cdot4=x+200\)
\(3200=x+200\)
\(x=3200-200\)
\(x=3000\)
a) 5 . ( x + 35 ) = 515 c) 460 + 85 . 4 = ( x + 200 ) : 4
x + 35 = 515 : 5 460 + 340 = ( x + 200 ) : 4
x + 35 = 103 800 = ( x + 200 ) : 4
x = 103 - 35 800 : 4 = x + 200
x = 68 200 = x + 200
Vậy x = 68 x = 200 - 200
x = 100