Answer: the answer is 7
Step-by-step explanation: add 9 to both sides, eliminating -9 so now you have 7x=49 divide both by 7 and you get x= 7 check it by inputing 7 for x, 7(7)-9=40
7(7)=49 next 49-9= 40
it checks out, so x= 7
Answer:abudul should have divided by 4 ,not 6
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
2 x(6+(12÷(3+1)))=18
Hope this helps you!!
5 rectangles and 2 pentagons