Is d = –9 a solution to this equation? 1 = –8 − d Choices: (A)yes (B)no

Identify Equation: Identify the equation after substituting d = –9. Substitute –9 for d in 1 = –8 − d. Equation: 1 = –8 − (–9)Simplify Right Side: Simplify the right side of the equation. 1 = –8 + 9 (since subtracting a negative is the same as adding the positive)Perform Addition: Perform the addition on the right side. 1 = 1 (since –8 + 9 equals 1)Compare Sides: Compare both sides of the equation. Since both sides of the equation are equal (1 = 1), d = –9 is indeed a solution to the equation 1 = –8 − d.

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Is $d = -9$ a solution to this equation? $\newline$ $1 = -8 - d$ $\newline$ Choices: $\newline$ (A)yes $\newline$ (B)no

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Algebra 1

Does x satisfy the equation?

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Q. Is

d = -9

a solution to this equation?

\newline

1 = -8 - d

\newline

Choices:

\newline

(A)yes

\newline

(B)no

Identify Equation: Identify the equation after substituting $d = -9$ . $\newline$ Substitute $-9$ for $d$ in $1 = -8 - d$ . $\newline$ Equation: $1 = -8 - (-9)$
Simplify Right Side: Simplify the right side of the equation. $\newline$ $1 = -8 + 9$ (since subtracting a negative is the same as adding the positive)
Perform Addition: Perform the addition on the right side. $\newline$ $1 = 1$ (since $–8 + 9$ equals $1$ )
Compare Sides: Compare both sides of the equation. $\newline$ Since both sides of the equation are equal $1 = 1$ , $d = -9$ is indeed a solution to the equation $1 = -8 - d$ .