565-13-x=370

552-x=370

x=552-370

x=182

a) 565 - 13.x = 370

13.x = 565 - 370

13.x = 195

x = 195 : 13

x = 15

b) 105 - (135 - 7x) : 9 = 97

(135 - 7x) : 9 = 105 - 97

(135 - 7x) : 9 = 8

135 - 7x = 8 x 9

135 - 7x = 72

7x = 135 - 72

7x = 63

x = 63 : 7

x = 9

a) 565 - 13.x = 370

13.x = 565 - 370

13.x = 195

x = 195 : 13

x = 15

b) 105 - (135 - 7x) : 9 = 97

(135 - 7x) : 9 = 105 - 97

(135 - 7x) : 9 = 8

135 - 7x = 8 x 9

135 - 7x = 72

7x = 135 - 72

7x = 63

x = 63 : 7

x = 9

cho like

\(565-13x=370\\ 13x=565-370=195\\x=\dfrac{195}{13}=15\)

\(105-\left(135-7x\right):9=97\\ \dfrac{135-7x}{9}=105-97=8\\ 135-7x=9.8=72\\ 7x=135-72=63\\ x=\dfrac{63}{7}=9\)

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e: =>x=0 hoặc x=1

a:565-13.x=30

13.x=565-370

13.x=195

x=195:13

x=15

Nếu sai sót gì thì e xin lỗi ạ ^^

Ui các bạn ơi.Bướm mình bị nát như bướm của ca ve rồi

khiếp buồn cười quá bn Yến

a: 275-(113+x)+63=158

=>275+63-113-x=158

=>275-50-x=158

=>225-x=158

=>x=225-158

=>x=67

b: 115-2(x-3)=55

=>2(x-3)=115-55=60

=>x-3=30

=>x=30+3

=>x=33

c: \(\left(x-1\right)^2=1\)

=>\(\left[\begin{array}{l}x-1=1\\ x-1=-1\end{array}\right.\Rightarrow\left[\begin{array}{l}x=1+1=2\\ x=-1+1=0\end{array}\right.\)

d: 565-13x=370

=>13x=565-370=195

=>\(x=\frac{195}{13}=15\)

e: x(x-1)=0

=>\(\left[\begin{array}{l}x=0\\ x-1=0\end{array}\right.\Rightarrow\left[\begin{array}{l}x=0\\ x=1\end{array}\right.\)

g: (x+2)(x-4)=0

=>\(\left[\begin{array}{l}x+2=0\\ x-4=0\end{array}\right.\Rightarrow\left[\begin{array}{l}x=-2\\ x=4\end{array}\right.\)

l: \(x^3\cdot x^2=2^8:2^3\)

=>\(x^{3+2}=2^{8-3}\)

=>\(x^5=2^5\)

=>x=2

\(a,565-\left(6x+70\right)=435\)

                       \(6x+70=565-435\)

                       \(6x+70=130\)

                                  \(6x=130-70\)

                                  \(6x=60\)

                                    \(x=10\)

\(b,100-7\left(x-5\right)=58\)

       \(100-7x+35=58\)

                  \(100-7x=58-35\)

                  \(100-7x=23\)

                                \(7x=100-23\)

                                \(7x=77\)

                                   \(x=11\)

a, 565-(6x+70)=435

6x+70=565-435

6x+70=130

6x=130-70

6x=60

x=60:6

x=6

b, 100-7(x-5)=58

7(x-5)=100-58

7(x-5)=42

x-5=42:7

x-5=6

x=6+5

x=11

     \(435\times16+565\times17\) 

\(=435\times16+565\times\left(16+1\right)\) 

\(=435\times16+565\times16+565\)

\(=16\times\left(435+565\right)+565\)

\(=16\times1000+565\) 

\(=16000+565\)

\(=16565\)