Answer:
x=-2
Step-by-step explanation:
Let m=x
[tex]4(x-3)+19=8(2x+3)+7\\[/tex]
Expand the parentheses:
[tex]4x-12+19=16x+24+7\\4x+7=16x+31\\-31+7=16x-4x\\-24=12x\\x=-2[/tex]
Hope this helped! If you have any more questions regarding the explanation, please comment below, have a good day!