Step-by-step explanation:

Combine like terms on left hand side. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.
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Transpose 2x to left hand side and change it's sign.
Similarly , Transpose 10 to right hand side and change it's sign.
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Divide both sides by 6
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Decimals and fractions are alike because all decimals are fractions and all fractions are decimals. As an example: 1/2, which is one-half, is the same as 0.5.
Answer:
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Answer:
Where is the question ?
Step-by-step explanation:
The answer is 0.3 (1/3.)
Proof?
f(0.3) = 18(0.3) + 8
f(0.3) = 6 + 8
f(0.3) = 14
14 = 14
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