Solve 1-2+3-4+5-6+7-8+9-10 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$1-2+3-4+5-6+7-8+9-10$$

Evaluate

$-5$

Solution Steps

Subtract $2$ from $1$ to get $-1$.

$$-1+3-4+5-6+7-8+9-10$$

Add $-1$ and $3$ to get $2$.

$$2-4+5-6+7-8+9-10$$

Subtract $4$ from $2$ to get $-2$.

$$-2+5-6+7-8+9-10$$

Add $-2$ and $5$ to get $3$.

$$3-6+7-8+9-10$$

Subtract $6$ from $3$ to get $-3$.

$$-3+7-8+9-10$$

Add $-3$ and $7$ to get $4$.

$$4-8+9-10$$

Subtract $8$ from $4$ to get $-4$.

$$-4+9-10$$

Add $-4$ and $9$ to get $5$.

$$5-10$$

Subtract $10$ from $5$ to get $-5$.

$$-5$$

Factor

$-5$