Answer:
b 2，3，8
Step-by-step explanation:
Y=234678
Z=278910
X=12358
234678910 n 12358
=238
Answer: 7(1+2x)
Step-by-step explanation:
7 and 14 can be divided by 7. As a result, you take 7 out and bam!
Answer:
8 grams
Step-by-step explanation:
The balance is in equilibrium, so the weights of the two sides are equal.
Let the weight of a square be s.
Left side: 2s + 4
Right side: s + 3(4) = s + 12
The weights are equal, so we set the two expressions equal.
2s + 4 = s + 12
s = 8
Answer: The weight of a square is 8 grams.
Question 2: The first step was the combine the like terms; in this example he is subtracting the 3x on both sides of the =.
Answer:
Step-by-step explanation:
817.52 should be correct
Answer: 4, -1, [see if you can figure it out]
Step-by-step explanation:
