Answer:
13
Step-by-step explanation:
x*x=12*12+5*5
x*x=144+25
x*x=169
x=13
Answer
7 = -x
18- 8x = 8 + 3(1 - 3x)
18- 8x = 8 +3-9x
18- 8x = 11 - 9x
7- 8x = -9x
Answer: R=V
Step-by-step explanation: :p