Solve - 3\{(- 7) + 5\} = (- 3)(- 7) + (- 3) * 5

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

a⋅(b-2)=3b

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

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$$-3\times\{(-7)+5\}=(-3)\times(-7)+(-3)\times5$$

Verify

$\text{true}$

Solution Steps

Add $-7$ and $5$ to get $-2$.

$$-3\left(-2\right)=-3\left(-7\right)-3\times 5$$

Multiply $-3$ and $-2$ to get $6$.

$$6=-3\left(-7\right)-3\times 5$$

Multiply $-3$ and $-7$ to get $21$. Multiply $-3$ and $5$ to get $-15$.

$$6=21-15$$

Subtract $15$ from $21$ to get $6$.

$$6=6$$

Compare $6$ and $6$.

$$\text{true}$$

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