Is x = 3 a solution to this equation? x − 9 = –15 Choices: (A)yes (B)no

Identify and Substitute: Identify the equation and substitute x = 3 into the equation. Substitute 3 for x in x − 9 = –15. Equation after substitution: 3 − 9 = –15Simplify Left Side: Perform the subtraction to simplify the left side of the equation. 3 − 9 = –6Compare Results: Compare the simplified result with the right side of the equation. We found that 3 − 9 = –6, but the equation requires it to be –15. Since –6 ≠ –15, x = 3 is not a solution to the equation x − 9 = –15.

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Is $x = 3$ a solution to this equation? $\newline$ $x - 9 = -15$ $\newline$ Choices: $\newline$ (A)yes $\newline$ (B)no

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Algebra 1

Does x satisfy the equation?

Full solution

Q. Is

x = 3

a solution to this equation?

\newline

x - 9 = -15

\newline

Choices:

\newline

(A)yes

\newline

(B)no

Identify and Substitute: Identify the equation and substitute $x = 3$ into the equation. $\newline$ Substitute $3$ for $x$ in $x − 9 = −15$ . $\newline$ Equation after substitution: $3 − 9 = −15$
Simplify Left Side: Perform the subtraction to simplify the left side of the equation. $3 - 9 = -6$
Compare Results: Compare the simplified result with the right side of the equation. $\newline$ We found that $3 - 9 = -6$ , but the equation requires it to be $-15$ . $\newline$ Since $-6 \neq -15$ , $x = 3$ is not a solution to the equation $x - 9 = -15$ .