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

asked Mar 1, 2024 162k views

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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.

Monsabre answered Mar 5, 2024

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