Finite Math Examples

$x \cdot 1 = 24$ , $x \cdot 1 + s \cdot 1 = 9$

Step 1

Replace all occurrences of $x$ with $24$ in each equation.

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Step 1.1

Replace all occurrences of $x$ in $x + s = 9$ with $24$ .

$(24) + s = 9$

$x = 24$

Step 1.2

Simplify the left side.

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Step 1.2.1

Remove parentheses.

$24 + s = 9$

$x = 24$

$24 + s = 9$

$x = 24$

$24 + s = 9$

$x = 24$

Step 2

Move all terms not containing $s$ to the right side of the equation.

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Step 2.1

Subtract $24$ from both sides of the equation.

$s = 9 - 24$

$x = 24$

Step 2.2

Subtract $24$ from $9$ .

$s = - 15$

$x = 24$

$s = - 15$

$x = 24$

Step 3

Solve the system of equations.

$s = - 15 x = 24$

Step 4

List all of the solutions.

$s = - 15, x = 24$