I believe the answer is B
If x = -14, substitute the x back into the equation.
so now the equation is 2(-14) + 12. multiply the 2 by -14 first to get -28 + 12.
add those two together to get -16. hope this helps!
Answer:

Step-by-step explanation:

Move 2x to left hand side and change it's sign
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Move 5 to right hand side and change it's sign
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Collect like terms
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Calculate
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Hope I helped!
Best regards!!