Answer:
13
Step-by-step explanation:
1) 3x - 12 = 2x + 1
2) solve and get x = 13
Answer:
2(4a + 7)
Step-by-step explanation:
2 to the 4 and 7
This would give you 8a + 14 because 2 times 4 is 8, and 2 times 7 is 14.
<em><u>Hope this helps.</u></em>
Answer:
(5,-2)
Step-by-step explanation:
mapping is (x, y)=(-y,-x)
(2,-5)=(5,-2)
90° counterclockwise is (5,-2)
Thanks
Hope it helps
For this, you could use factoring or the quadratic formula, but I will answer this using factoring.
x(x+1)=90
x^2 + x =90
Subtract 90 from both sides= x^2 + x - 90=0
Factor the left side (x-9)(x+10)=0
Therefore the two whole numbers are 9 and 10.
