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Is $r = 10$ a solution to this equation? $\newline$ $10r = 151$ $\newline$ Choices: $\newline$ (A) yes $\newline$ (B) no

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Does x satisfy an equation?

Full solution

Q. Is

r = 10

a solution to this equation?

\newline

10r = 151

\newline

Choices:

\newline

(A) yes

\newline

(B) no

Substitute $r$ into equation: We are given $r = 10$ . Let's substitute the value of $r$ into the equation $10r = 151$ . $\newline$ $10r = 151$ $\newline$ Substitute $r$ with $10$ . $\newline$ $10 \times 10 = 151$
Calculate multiplication: Calculate $10$ multiplied by $10$ . $\newline$ $10 \times 10 = 100$
Compare with right side: Compare the result of the calculation with the right side of the equation. $100 \neq 151$
Confirm solution: Since $100 \neq 151$ , $r = 10$ is not a solution to the equation $10r = 151$ .

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