Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$evoluote-16\div[.8\div(-2)7$$

Answer

$$e^2*v*o^2*l*u*t+32/([.8*7)$$

Solution


Move the negative sign to the left.
Use this rule: \(\frac{a}{b} \times c=\frac{ac}{b}\).
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
Move the negative sign to the left.
Invert and multiply.
Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
Simplify  \(16\times 2\)  to  \(32\).
Remove parentheses.
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