Algebra Examples

$29 = a_{1} + (8 - 1) \cdot 6$

Step 1

Since $a_{1}$ is on the right side of the equation, switch the sides so it is on the left side of the equation.

$a_{1} + (8 - 1) \cdot 6 = 29$

Step 2

Simplify each term.

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Step 2.1

Subtract $1$ from $8$ .

$a_{1} + 7 \cdot 6 = 29$

Step 2.2

Multiply $7$ by $6$ .

$a_{1} + 42 = 29$

Step 3

Move all terms not containing $a_{1}$ to the right side of the equation.

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Step 3.1

Subtract $42$ from both sides of the equation.

$a_{1} = 29 - 42$

Step 3.2

Subtract $42$ from $29$ .

$a_{1} = - 13$