Question

Step 1 12x + 4 + 2x + 3 = (12x + 4) + (2x + 3

Answer 1

\(\huge\color{Green}{{\rm welcome}\rm~to~open~study!!!!}\)\(\Huge \color{blue}{\star^{ \star^{\star:)}}}\Huge \color{red}{\star^{ \star^{\star:)}}}\)

Answer 2

you can remove all parenthesis because there is positive sign
then combine like terms

Answer 3

\[\huge\rm 12x+4+2x+3\]
do you know about combine like terms ?