Answer:
the answer is square millimeters
First pic: x=27
second pic: x=15
Answer:
7
Step-by-step explanation:
7(x - 3) = 28 Given
7x - 21 = 28 Distributive property
7x - 21 + 21 = 28 + 21 Addition property of equality
7x = 49 Division Property of equality
7x/7=49/7
x = 7
Answer:#9- Answer: -7
#10- Answer: 0
#11- Answer: 4
#12- Answer: -4
Step-by-step explanation: