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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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1 vote
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 Robjohncox
by
7.9k points

1 Answer

1 vote
15 + 2x - 4 = 9x + 11 - 7x
2x + 11 = 2x + 11
always true

2x + 3(4x - 1) = 2(5x + 3) + 4x
2x + 12x - 3 = 10x + 6 + 4x
14x - 3 = 14x + 6
never true
User Walker Farrow
by
7.4k points
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