I would say the equation would be 3x=x+20 and subtract x on both sides and you get 2x=20 so then you would divide both sides by 2 and the answer is 10.
Answer:
To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest.
Step-by-step explanation:
Answer: b) 384 sq. in.
Step-by-step explanation:
Surface area of cube = 6a^2
= 6 (8)^2
= 6 x 64
= 384 sq. in.
38/3 or 12 2/3
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