Algebra Examples

$8 (u + 1.5) - 7 u = - 4.9$

Step 1

Simplify $8 (u + 1.5) - 7 u$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Apply the distributive property.

$8 u + 8 \cdot 1.5 - 7 u = - 4.9$

Step 1.1.2

Multiply $8$ by $1.5$ .

$8 u + 12 - 7 u = - 4.9$

Step 1.2

Subtract $7 u$ from $8 u$ .

$u + 12 = - 4.9$

Step 2

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

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Step 2.1

Subtract $12$ from both sides of the equation.

$u = - 4.9 - 12$

Step 2.2

Subtract $12$ from $- 4.9$ .

$u = - 16.9$