Select the property of equality used to arrive at the conclusion. if x - 3 = 7, then x = 10

In what organelle does photosynthesis take place?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7