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Evaluate the expression for $g = -1$ . $\newline$ Write your answer as a decimal or whole number. $\newline$ $7 + 15.4g =$ _____

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Evaluate variable expressions involving rational numbers

Full solution

Q. Evaluate the expression for

g = -1

.

\newline

Write your answer as a decimal or whole number.

\newline

7 + 15.4g =

_____

Substitute $g = -1$ : Substitute $g = -1$ into the expression $7 + 15.4g$ . $\newline$ Expression after substitution: $7 + 15.4(-1)$
Multiply by $-1$ : Multiply $15.4$ by $-1$ . $15.4 \times -1 = -15.4$
Add to $7$ : Add the result from Step $2$ to $7$ . $\newline$ $7 + (-15.4) = 7 - 15.4$
Calculate the sum: Calculate the sum. $7 - 15.4 = -8.4$

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