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; \(\{ - 3 \}\)

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