Answer:
x = -1
Step-by-step explanation:
First we have to divide 7 on both sides [tex]\frac{7(x+8)}{7} =\frac{49}{7}[/tex]
[tex]x+8=7[/tex]
[tex]x+8=7\\-8=-8\\x=-1[/tex] subtract 8 on both sides to leave x by itself 7 - 8 = -1
x = -1
[tex]7((-1)+8)=49[/tex]
[tex]7(7)=49[/tex]
