I disagree. If each side of the equation is divided by 5, the result is x2 = 4. By the square root property of equality, x = -2 or x = 2. So x could be -2 instead of 2.
Answer:
21
Step-by-step explanation:
Put them equal to eachother
(10x-29)=(8x+3)
2x=42
x=21
Answer:
Step-by-step explanation:
Answer:
12 cm
Step-by-step explanation:
48/4 is 12 since there is 4 sides and all of them are equal.
Answer: he has read 15% and still needs to read 85%
Step-by-step explanation: 300/20 is 15 so that’s the percent he has read. 100-15=85 so that’s the percent he still has left to read