yes i think because i think so
2x + 31 = 5
2x = 5 - 31
2x = -26
x = -26/2
x = -13.
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Answer: 18 square ft.
Step-by-step explanation:
Surface area is length*width. 1*1= 1*6= 6
since there are three cubes, it is 6*3= 18 square ft total.