If 11 is subtracted from twice a number the answer is 7. Find the number?
2 answers:
Answer:
answer is 29
Step-by-step explanation:
x is your number and it subtract 11 two times
=
x-11-11=7
=x-22=7
=x=7+22=29
Answer:
9
Solution:
Write it in an algebraic form (x is your number)
2x-11=7
Now solve
2x=7+11=18
X=18/2=9
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Answer:
Step-by-step explanation:
Multiply the equations together
(5x+4)(5x^2-7x-2)
25x^3-35x^2-10x+20x^2-28x-8
Add like terms
25x^3-15x^2-38x-8
Answer:
C (-2,1)
Step-by-step explanation:
−2x − y = 3 (1)
−9x − y = 17 (2)
(1) y = -2x - 3
(2) y = -9x - 17
-2x - 3 = -9x - 17
7x = -14
x = -2
y = -2(-2) - 3
y = 4 - 3
y = 1
Answer:
T^75
Step-by-step explanation:
3 times 5 = 15
5 times 15 = 75
No it is an irrational number
40+3+.04+.003
expanded form is showing what you have to add together
