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What value of $a$ is a solution to this equation? $\newline$ $8a = 16$ $\newline$ Choices: $\newline$ (A) $a = 2$ $\newline$ (B) $a = 4$

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Which x satisfies an equation?

Full solution

Q. What value of

a

is a solution to this equation?

\newline

8a = 16

\newline

Choices:

\newline

(A)

a = 2

\newline

(B)

a = 4

Start Equation: Start with the given equation. $\newline$ $8a = 16$ $\newline$ To solve for $a$ , we need to isolate the variable on one side of the equation.
Divide by $8$ : Divide both sides of the equation by $8$ to solve for $a$ . $\frac{8a}{8} = \frac{16}{8}$ $a = 2$
Check Solution: Check the solution by substituting the value of $a$ back into the original equation. $\newline$ $8 \times 2 = 16$ $\newline$ $16 = 16$ $\newline$ This shows that our solution is correct.

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