Example

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

Question

$$x= \frac{ (1.5 \times -3)+6.5 }{ 0.4 }$$

Answer

x=5

Solution


Remove parentheses.
\[x=\frac{1.5\times -3+6.5}{0.4}\]
Simplify  \(1.5\times -3\)  to  \(-4.5\).
\[x=\frac{-4.5+6.5}{0.4}\]
Simplify  \(-4.5+6.5\)  to  \(2\).
\[x=\frac{2}{0.4}\]
Simplify  \(\frac{2}{0.4}\)  to  \(5\).
\[x=5\]
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