Add 7 to both sides
3x + 12 = 7x
Subtract 3x
12 = 4x
Divide by 4
x = 3
Hi! im in 7th and learning this, its 26x9 and then minus that by 9x9
The correct option is B. Distributive property
Given,
On solving the above equation,
multiplying both sides by 3 we, get

now subtracting 21 from both the sides,

dividing both the sides by 2 we get,

Since in the above steps we follow all the giving property except the distributive property.
Hence the correct option is B. Distributive property.
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Answer: 91148351.8327 Is your answer
Step-by-step explanation: have a great day ~scorpion queen~
8x5 = 40
3x2 = 6
40 - 6 = 34
answer:
area of shaded = 34