Finite Math Examples

$- 6 a + 5 + 7 a = 9 - 27$

Step 1

Add $- 6 a$ and $7 a$ .

$a + 5 = 9 - 27$

Step 2

Subtract $27$ from $9$ .

$a + 5 = - 18$

Step 3

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

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Step 3.1

Subtract $5$ from both sides of the equation.

$a = - 18 - 5$

Step 3.2

Subtract $5$ from $- 18$ .

$a = - 23$