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sdas [7]
2 years ago
8

4(x-2)=4x-8 is this equation always true

Mathematics
2 answers:
Vinil7 [7]2 years ago
8 0

Distribute 4 over the parentheses:-

4(x - 2) = 4x - 8  which is identical to the right side.

Yes  - this is always true for any values of x,  and its called an identity.

VashaNatasha [74]2 years ago
3 0

Yes, 4(x-2) is 4 times x-2 which using the distributive property gives you 4x-8 because 4 times x is 4x and 4 times -2 is -8 so you would always get 4x-8

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\bf \qquad \qquad \textit{sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n}{2}(a_1+a_n)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\ a_n=n^{th}~value\\
----------\\
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\end{cases}

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\\\\\\
\textit{but we also know that sum of all interior angles is }180(n-2)
\\\\\\
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\\\\\\
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