Pre-Algebra Examples

$4 a - 3 a + 5 < - 7$

Step 1

Subtract $3 a$ from $4 a$ .

$a + 5 < - 7$

Step 2

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

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Step 2.1

Subtract $5$ from both sides of the inequality.

$a < - 7 - 5$

Step 2.2

Subtract $5$ from $- 7$ .

$a < - 12$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$a < - 12$

Interval Notation:

$(- \infty, - 12)$