5x + x = 36
6x = 36
x = 36 : 6
x = 6
Vậy x = 6
2 ( x + 4 ) - 32 = 18
2 ( x + 4 ) = 18 + 32
2 ( x + 4 ) = 50
x + 4 = 50 : 2
x + 4 = 25
x = 25 - 4
x = 21
Vậy x = 21
7x - 2x = 50
5x = 50
x = 50 : 5
x = 10
Vậy x = 10
Chúc hok tốt
5x + x = 36
6x = 36
x = 6
2 ( x + 4 ) - 32 = 18
2 ( x + 4 ) = 50
x + 4 = 25
x = 21
7x - 2x = 50
5x = 50
x = 10
5x + x = 36
6x = 36
x = 36 : 6
x = 6
2(x + 4) - 32 = 18
2(x + 4 ) = 18 + 32
2(x + 4) = 50
x + 4 = 50 : 2
x + 4 = 25
x = 25 - 4 = 21
7x - 2x = 50
5x = 50
x = 50 : 5 = 10
2(x+4)-32=18
2(x+4)=32+18
2(x+4)=50
X+4 =50:2
X+4=25
X=25-4
X=21
BÀI 1:
\(5x+x=36\)
\(6x=36\)
\(x=6\)
BÀI 2:
\(2\cdot\left(x+4\right)-32=18\)
:\(2\cdot x+2\cdot4=50\)
\(2\cdot x+8=50\)
\(2\cdot x=42\)
\(x=21\)
BÀI 3:
\(7x-2x=50\)
\(5x=50\)
\(x=10\)
\(goodluck!!!!hi\)
5x+x =36
5x+1x=36
6x=36
x=6
2(x+4)-32=18
2(x+4) =18+32
X+4=50:2
x=25-4
tự bít
7x-2x=50
5x=50
x=50:5
x=10
\(5x+x=36\)
\(5x+x.1=36\)
\(x.\left(5+1\right)=36\)
\(x.6=36\)
\(\Rightarrow x=6\)
____________
\(2.\left(x+4\right)-32=18\)
\(2.\left(x+4\right)=18+32\)
\(2.\left(x+4\right)=50\)
\(x+4=50:2\)
\(x+4=25\)
\(\Rightarrow x=21\)
___________________
\(7x-2x=50\)
\(x.\left(7-2\right)=50\)
\(x.5=50\)
\(\Rightarrow x=10\)