Finite Math Examples

$y = 2 x + 7$ , $y = 2 x - 7$

Step 1

Eliminate the equal sides of each equation and combine.

$2 x + 7 = 2 x - 7$

Step 2

Solve $2 x + 7 = 2 x - 7$ for $x$ .

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Step 2.1

Move all terms containing $x$ to the left side of the equation.

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Step 2.1.1

Subtract $2 x$ from both sides of the equation.

$2 x + 7 - 2 x = - 7$

Step 2.1.2

Combine the opposite terms in $2 x + 7 - 2 x$ .

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Step 2.1.2.1

Subtract $2 x$ from $2 x$ .

$0 + 7 = - 7$

Step 2.1.2.2

Add $0$ and $7$ .

$7 = - 7$

Step 2.2

Since $7 \neq - 7$ , there are no solutions.

No solution

Step 3