\(A,x-465=312-45\Rightarrow x-465=267\)
\(\Rightarrow x=267+465=732\)
\(B,675-x=234+15\Rightarrow675-x=249\)
\(\Rightarrow x=675-249=426\)
chucbnhokot
A, X-465=312-45
X-465=267
X=267+465
X=732
B, 657-X = 234+15
657-X=249
X=657-249
X=408
a, X-465=267
X=267+465=732
b,657-X=249
X=657-249=408
A b 657-x= 234+ 15
x-465 = 312 - 45 657 - x = 249
x-465 = 267 x = 657 - 249
x = 267 + 465 x =408
x = 932
a) x - 465 = 312 - 45
x - 465 = 267
x =267 + 465
x = 732
b) 657 - x = 234 + 15
657 - x = 249
x = 657 -249
x = 408
A, x-465=312-45
x-465=276
x =276+465
x =741
B,657-x=234+15
657-x =249
x = 657-249
x =408
Hãy k cho mk nhé!
\(a)x-465=312-45\)
\(\Rightarrow x-465=267\)
\(\Rightarrow x=267+465\)
\(\Rightarrow x=732\)
\(b)657-x=234+15\)
\(\Rightarrow657-x=249\)
\(\Rightarrow x=657-249\)
\(\Rightarrow x=408\)