Question

помогите пожалуйста ​

Answer 1

a)

${\begin{array}{rclll}11x+4&=&4x+25&& | -4x\\7x+4&=&25&&|-4\\7x&=&21&&|:7\\x&=&3\end{array}}$

b)

${\begin{array}{rclll}8x-8&=&3x+22&& | -3x\\5x-8&=&22&&|+8\\5x&=&30&&|:5\\x&=&6\end{array}}$

c)

${\begin{array}{rclll}11x+5&=&3x+37&& | -3x\\8x+5&=&37&&|-5\\8x&=&32&&|:8\\x&=&4\end{array}}$

d)

${\begin{array}{rclll}6x-11&=&2x+9&& | -2x\\4x-11&=&9&&|+11\\4x&=&20&&|:4\\x&=&5\end{array}}$

e)

${\begin{array}{rclll}6x-6&=&4x+8&& | -4x\\2x-6&=&8&&|+6\\2x&=&14&&|:2\\x&=&7\end{array}}$

f)

${\begin{array}{rclll}11x-1&=&3x+15&& | -3x\\8x-1&=&15&&|+1\\8x&=&16&&|:8\\x&=&2\end{array}}$