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Decide Whether the Equation Is an Identity, a Conditional Equation $- 0.8 ( x + 3 ) + 0.1 ( x + 3 ) = - 0.7 x - 2.1$

Question 391

Multiple Choice

Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.
- $- 0.8 ( x + 3 ) + 0.1 ( x + 3 ) = - 0.7 x - 2.1$

A) Conditional; $\{ - 0.7 \}$
B) Identity; {all real numbers }
C) Contradiction; $\varnothing$
D) Conditional; $\{ - 3 \}$

Decide Whether the Equation Is an Identity, a Conditional Equation −0.8(x+3)+0.1(x+3)=−0.7x−2.1- 0.8 ( x + 3 ) + 0.1 ( x + 3 ) = - 0.7 x - 2.1−0.8(x+3)+0.1(x+3)=−0.7x−2.1

Multiple Choice

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Decide Whether the Equation Is an Identity, a Conditional Equation $- 0.8 ( x + 3 ) + 0.1 ( x + 3 ) = - 0.7 x - 2.1$

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