Pre-Algebra Examples

$12 x + 6 - 8 x - 4 x - 3 + 12$

Step 1

Subtract $8 x$ from $12 x$ .

$4 x + 6 - 4 x - 3 + 12$

Step 2

Combine the opposite terms in $4 x + 6 - 4 x - 3 + 12$ .

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Step 2.1

Subtract $4 x$ from $4 x$ .

$0 + 6 - 3 + 12$

Step 2.2

Add $0$ and $6$ .

$6 - 3 + 12$

Step 3

Simplify by adding and subtracting.

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Step 3.1

Subtract $3$ from $6$ .

$3 + 12$

Step 3.2

Add $3$ and $12$ .

$15$