Answer:
5x=45, 7x+3=66, and 7x+8=71
Step-by-step explanation:
5x+7x+3+7x+8=182
Rearrange
5x+7x+7x+8+3=182
Add everything up
19x+11=182
Subtract 11 from both sides
19x=171
Divide both sides by 19
x=9
Plug x=9 into all spaces with x
5*9=45 , 7*9+3=66 , and 7*9+8=71
Voila!
