Question

PLEASE HELP PLEASE SOLVE ALL!!!

Answer 1

x= -6 | I only have an answer for #7 but you should use a website called Symbolab :)

Explanation:

x+16+x+12+2x+15=19

group like terms:

4x+43=19

subtract 43 from both sides:

4x+43=19

-43 -43

simplify:

4x=-24

divided both sides by 4:

x=-6