Algebra Examples

$2 a - (- 3 a) - 7 a + 8 b - b + (- 2 b)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$2 a - (- 3 a) - 7 a + 8 b - b - 2 b$

Step 1.2

Multiply $- 3$ by $- 1$ .

$2 a + 3 a - 7 a + 8 b - b - 2 b$

$2 a + 3 a - 7 a + 8 b - b - 2 b$

Step 2

Add $2 a$ and $3 a$ .

$5 a - 7 a + 8 b - b - 2 b$

Step 3

Subtract $7 a$ from $5 a$ .

$- 2 a + 8 b - b - 2 b$

Step 4

Subtract $b$ from $8 b$ .

$- 2 a + 7 b - 2 b$

Step 5

Subtract $2 b$ from $7 b$ .

$- 2 a + 5 b$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$