\(\left(3x-6\right)-\left(2x+3\right)=15\)
\(\Leftrightarrow3x-6-2x-3=15\)
\(\Leftrightarrow x-9=15\)
\(\Leftrightarrow x=15+9\)
\(\Leftrightarrow x=24\)
\(\left(3x-6\right)-\left(2x+3\right)=15\)
\(3x-6-2x-3=15\)
\(x-3=15\)
\(x=18\)
(3x - 6) - (2x + 3) = 15
<=> 3x - 6 - 2x + 3 = 15
<=> 3x - 2x + 3 = 15 + 6
<=> 3x - 2x + 3 = 21
<=> 3x - (2x + 3) = 21
<=> x - 3 = 21
<=> x = 21 + 3
<=> x = 24
=> x = 24
K hiểu phần nào ib mình
ko ghi lại đề
3x-6-2x-3=15
x-9=15
x=15+9
x=24
3x-6-2x-3=15
x-9=15
x=15+9
x=24
* No copy *
3x-6+2x-3=15x-9=15
x=15 + 9
x=24
~Hok tốt ~
#Gumball
Tìm x, (3x-6)-(2x+3)=15
3x-6-2x-3=15
x-9=15
x=15 + 9
x=24
\(\left(3x-6\right)-\left(2x+3\right)=15\)
\(=30-x+6-20+x+3=15\)
\(=x-3=15\)
\(x=15+9=24\)
~ Hok tốt ~