You have to do this because the answe is the 2nx
Answer:
x=6
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
3(x-1)=15+x
3x-3=15+x
2x-3=15
2x=12
x=6
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Answer:
Step-by-step explanation:
I think it increased by 20% I think or it’s 25% think
Use the Pythagorean theorem:

c - a hypotenuse
a, b - legs
We have: a = 9 and c = 12. Substitute:

<em>subtract 81 from both sides</em>

A Pythagorean triple consists of three positive integers a, b and c, such that
.
is not positive integer.
<h3>The sides of the triangle do not form a pythagorean triple.</h3>
Answer: X=16
Explanation: when you plug in -7 for x in the equation you have and just multiply it by -3 you will get 21 then subtract 5 and that will give yo 16