Algebra Examples

$9 x + 1 - 9 x = 5 - 4$

Step 1

Combine the opposite terms in $9 x + 1 - 9 x$ .

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Step 1.1

Subtract $9 x$ from $9 x$ .

$0 + 1 = 5 - 4$

Step 1.2

Add $0$ and $1$ .

$1 = 5 - 4$

Step 2

Subtract $4$ from $5$ .

$1 = 1$

Step 3

Since $1 = 1$ , the equation will always be true for any value of $x$ .

All real numbers

Step 4

The result can be shown in multiple forms.

All real numbers

Interval Notation:

$(- \infty, \infty)$