Question

can someone explain me the simplify of algebra I didn't understand this

Answer 1

where is your answer

Answer 2

isolate the variable on one side and the numbers on the other
add the like terms e. g
$x + 2x = 3x$
or
$x.x = {x}^{2}$
the answer should b in the form
$= x + 3$
or
${x}^{2} + x + 2$
or
$x = 3$