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Are the equations sometimes, always, or never true? a. 15 + 2x − 4 = 9x + 11 − 7x b. 2x + 3(4x − 1) = 2(5x + 3) + 4x

Are the equations sometimes, always, or never true? a. 15 + 2x − 4 = 9x + 11 − 7x b. 2x + 3(4x − 1) = 2(5x + 3) + 4x
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Are the equations sometimes, always, or never true? a. 15 + 2x − 4 = 9x + 11 − 7x b. 2x + 3(4x − 1) = 2(5x + 3) + 4x

User Ouerghi Yassine
by
8.4k points

1 Answer

5 votes

Answer:

Explanation:


15+2x-4=9x+11-7x \rightarrow 2x+11=2x+11 True for all x.


2x+3(4x-1)=2(5x+3)+4x \rightarrow 2x+12x-3=10x+6+4x


\rightarrow 14x-3=14x+6


\rightarrow 14x=14x+9 Cannot be true.

User Monsabre
by
6.9k points
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